Stomach cancer : Causes-Symptoms-Diagnosis-Treatment


 What is Stomach Cancer?

Stomach cancer begins once cancer cells type within the inner lining of your stomach. These cells can grow into a growth. conjointly known as stomachic cancer, the sickness sometimes grows slowly over several years. abdomen cancer is most frequently seen in folks in their late 60s through 80s.

The majority of stomach cancers (about 95%) begin in the organ tissue that lines the stomach. The tumor could unfold on the stomach wall or may grow directly through the wall and shed cells into the blood or humor system. Once on the far side of the stomach, cancer can spread to different organs.

What is Stomach Cancer?
Stomach Cancer

With abdomen willcer — conjointly known as stomachic cancer — cancer cells grow out of management in your stomach. Cancer can type anyplace in your stomach. Within the U.S., most cases of stomach cancer involve abnormal cell growth in the place where your stomach meets your gorge (gastroesophageal junction). In different countries, where gastric cancer is additionally common, cancer sometimes forms in the main part of your stomach.

95% of the time, stomach cancer starts in your stomach lining and progresses slowly. Untreated, it can form a mass (tumor) and grow deeper into your stomach walls. The tumor could unfold to close organs like your liver and pancreas.

abdomen cancer is one in every of the foremost common cancers worldwide however is seen less usually within the U.S. solely regarding 1.5% of stomach cancers get diagnosed every year in the U.S., wherever cases are declining steady for the past ten years.

  1. Digestive system

  1. Stomach

Medical terms

  • Stomach cancer is an abnormal growth of cells that begins within the abdomen. The stomach may be a muscular sac situated in the higher middle of your abdomen, slightly below your ribs. Your stomach receives and holds the food you eat then helps to interrupt down and digest it. abdomen willcer, additionally referred to as stomachal cancer, can have an effect on any part of the stomach. In most of the world, stomach cancers are in the main part of the stomach (stomach body). However in the United States, stomach cancer is additionally seemingly affecting the world wherever the long tube (esophagus) that carries food you swallow meets the abdomen. This space is named the muscle system junction. wherever the cancer happens within the stomach is one issue doctors contemplate once determinant your treatment options. Treatment sometimes includes surgery to get rid of stomach cancer. alternative treatments are also suggested before and when surgery. 
  • Stomach cancer is one of the most common types of cancers worldwide but deaths from stomach cancer have been decreasing in the United States The National Cancer Institute estimates that about 23,000 new cases of stomach cancer will be diagnosed in 2017 and about 10,000 people will die from it Smoking and a diet high in salt are major risk factors for stomach cancer You can reduce your risk by avoiding tobacco smoke starting an exercise program and by keeping sodium to less than 2,300 mg per day.
  • Stomach cancer begins in the stomach and is more common than any other gastrointestinal cancer The cause of most cases of stomach cancer is not clear although there are some things that can increase your risk for developing it such as cigarette smoking and heavy drinking Certain viruses (human papillomavirus or Epstein-Barr virus) have also been linked to stomach cancer There are many kinds of stomach cancers but they all begin in the cells lining the inside of the stomach These cells sometimes become cancerous and multiply quickly into tumors that continue to grow until they invade nearby tissues Stomach cancer has few early symptoms because it develops.

Types of stomach cancer


Most cancers of the abdomen (about 90% to 95%) are adenocarcinomas. These cancers develop from the secreter cells within the innermost lining of the stomach (the mucosa). If you're told you have got stomach cancer (or internal organ cancer), it'll nearly always be an adenocarcinoma. The data on the subsequent pages that discusses stomach cancer refers to the current variety of cancer.

There are 2 main types of stomach adenocarcinomas:

  • The intestinal type tends to possess a rather higher prognosis (outlook). The cancer cells are additional probably to have sure cistron changes which may provide treatment with targeted drug therapy. 

  • The diffuse type tends to grow and spread more quickly. It is less common than the intestinal type, and it tends to be harder to treat.

Gastrointestinal stromal tumors (GISTs)

These uncommon tumors begin in terribly early sorts of cells within the wall of the abdomen referred to as opening cells of Cajal. Some GISTs are rather more possible than alternatives to grow into other areas or unfold to other elements of the body. Although GISTs will start anywhere in the biological process tract, most start in the stomach. For more information, see epithelial duct Stromal neoplasm (GIST).

Neuroendocrine tumors (including carcinoids)

Neuroendocrine tumors (NETs) begin in cells within the abdomen (or alternative components of the organic process tract) that act like nerve cells in some ways and like hormone-making (endocrine) cells in others. Most NETs tend to grow slowly and don't unfold to other organs, however some will grow and spread quickly. NETs are mentioned in additional detail in epithelial duct system (Carcinoid) Tumors.


These willcers begin in system cells known as lymphocytes. Lymphomas sometimes start in different elements of the body, however some can start within the wall of the stomach. The treatment and outlook for these cancers rely on the kind of malignant neoplastic disease and other factors. For a lot of information, see Non-Hodgkin Lymphoma.

Symptoms Stomach cancer

Stomach cancer doesn’t typically cause symptoms during the early stages. Even the most common early signs of stomach cancer — often unexplained weight loss and stomach pain

Signs and symptoms of stomach cancer may include:

  • Difficulty swallowing

  • Feeling bloated after eating

  • Feeling full after eating small amounts of food

  • Heartburn

  • Indigestion

  • Nausea

  • Stomach pain

  • Unintentional weight loss

  • Vomiting

  • Nausea and vomiting.

When to see a doctor

If you've got signs and symptoms that worry you, build a meeting together with your doctor. Your doctor can possibly investigate more-common causes of those signs and symptoms first. 

Causes Stomach cancer

It' not clear what causes abdomen cancer, tho' analysis has known several factors that may increase the risk. Doctors apprehend that stomach cancer begins once a cell within the stomach develops changes in its DNA. A cell' DNA contains the directions that tell the cell what to do. The changes tell the cell to grow quickly and to continue living when healthy cells would die. The accumulating cells type a growth that can invade and destroy healthy tissue. With time, cells can break off and unfold (metastasize) to different areas of the body. Scientists don’t know exactly what makes cancer cells begin growing within the abdomen. however they are apprehending many things that may raise your risk for the disease. One in all of them is infection with atypical bacteria, H. pylori, that causes ulcers. Inflammation in your gut is referred to as gastritis, an exact style of lasting anemia called pernicious anemia, and growths in your stomach called polyps can also cause you to additionally seemingly urge cancer. 

Other things that seem to play a role in raising the risk include: 

  • Family history of stomach cancer.

  • Helicobacter pylori (H. pylori) infection.

  • Gastroesophageal reflux disease (GERD).

  • Gastritis.

  • Epstein-Barr virus infection.

  • History of stomach ulcers or stomach polyps.

  • A diet high in fatty, salty, smoked or pickled foods.

  • A diet that doesn’t include many fruits and vegetables.

  • Frequent exposure to substances like coal, metal and rubber.

  • Smoking, vaping or chewing tobacco.

  • Drinking too much alcohol.

  • Obesity.

  • Autoimmune atrophic gastritis.

Several genetic conditions are associated with increased gastric cancer risk, including:

  • Lynch syndrome.

  • Peutz-Jeghers syndrome.

  • Li-Fraumeni syndrome.

  • Familial adenomatous polyposis.

  • Hereditary diffuse gastric cancer.

  • Common variable immunodeficiency (CVID).

Risk factors Stomach cancer

A risk issue is something that raises your probabilities of obtaining an illness adore cancer. totally different cancers have different risk factors. Some risk factors, like smoking, are often changed. Others, sort of a person’s age or family history, can’t be changed. however having a risk factor, might be|or perhaps} many risk factors, doesn't mean that you just can get the disease. Many folks with one or a lot of risk factors ne'er get cancer, whereas others who get cancer may have had few or no better-known risk factors. Scientists have found several risk factors that build a person a lot of doubt to induce abdomen cancer. a number of these are often controlled, however others cannot.

Factors that increase the risk of stomach cancer include:

  • Gastroesophageal reflux disease

  • Obesity

  • A diet high in salty and smoked foods

  • A diet low in fruits and vegetables

  • Family history of stomach cancer

  • Infection with Helicobacter pylori

  • Long-term stomach inflammation (gastritis)

  • Smoking

  • Stomach polyps

Prevention Stomach cancer

To reduce the risk of stomach cancer, you can:

  • Maintain a healthy weight. If you're overweight or obese, confer with your doctor concerning methods to assist you lose weight. Aim for a slow and steady weight loss of one or two pounds a week. 

  • Choose a diet full of fruits and vegetables. Try to incorporate additional fruits and vegetables into your diet every day. opt for a large sort of colorful fruits and vegetables. 

  • Reduce the amount of salty and smoked foods you eat. Protect your stomach by limiting these foods.

  • Stop smoking. If you smoke, quit. If you don't smoke, don't start. Smoking will increase your risk of abdomen cancer, further as several different styles of cancer. Quitting smoking is often terribly difficult, so raise your doctor for help. 

  • Ask your doctor about your risk of stomach cancer. Talk together with your doctor if you've got an associated accrued risk of abdomen cancer. folks with a powerful case history of stomach cancer may think about tests, appreciate endoscopy, to see for signs of stomach cancer. 

How long does it take for stomach cancer to develop?

After a person’s stomach cancer is diagnosed the average life expectancy is about one year This does not mean that people who are diagnosed with stomach cancer will die in less than a year but survival rates are low for this type of cancer According to gastric adenocarcinomas (the most common form) have an average survival rate of 22 months from date of diagnosis Gastric neuroendocrine tumors have an average survival rate at two and-a-half years from initial stage of the disease These statistics may vary depending on a variety of factors including the stage at which stomach cancer was detected.

Can you feel abdominal cancer?

Abdominal cancer symptoms are not necessarily specific to the organ involved which is why it's important for you to get regular checkups and pay attention to any signs that something may be wrong. Your doctor can help determine if you're experiencing symptoms related to abdominal cancer Here are some of the most common signs of abdominal cancer.

How long is chemo treatment for stomach cancer?

Stomach cancer treatment is different for each type of stomach cancer There are stages to stomach cancer that provide doctors with a guide on how best treat the cancer The stage depends on the size of the tumor and if it has spread to other areas of the body Doctors use several tools to evaluate patients including physical exams biopsies endoscopies and blood laboratory tests.

Diagnosis Stomach cancer

Your supplier will review your medical history, raise regarding your symptoms and perform a physical examination which will involve feeling for a mass in your abdomen. They'll order many tests to diagnose and stage stomach cancer. Staging permits your provider to assess what quantity the cancer has developed. With stomach cancer, staging ranges from zero (zero) to IV (four). Stage 0 means the cancer hasn’t spread to the far side of your stomach lining. Stage IV implies that it’s spread to different organs. Doctors generally don't do routine screening for stomach cancer. That' principally as a result of it' is not that common, so obtaining further tests usually isn't helpful.  In fact, the amount of abdomen cancer cases has declined over the past sixty years. If you're at higher risk for it though, seek advice from your doctor to visualize a way to keep a watch out for it. you'll get a number of constant tests that you simply would get if you had symptoms and were searching for a diagnosis.

Tests and procedures used to diagnose stomach cancer include:

  • A tiny camera to see inside your stomach (upper endoscopy). A thin tube containing a small camera is passed down your throat and into your stomach. Your doctor will use it to appear for signs of cancer. 

  • Removing a sample of tissue for testing (biopsy). If any suspicious areas are found throughout the higher endoscopy, special tools will be accustomed to take away a sample of tissue for testing. The sample is distributed to a research lab for analysis. 

  • Imaging tests. Imaging tests used to look for stomach cancer include CT scans and a special type of X-ray exam called a barium swallow.

Determining the extent (stage) of stomach cancer

The stage of your abdomen cancer helps your doctor decide that treatment is also best for you. Tests and procedures accustomed verify the stage of cancer include:

  • Blood tests. Blood tests to measure organ function may indicate whether other organs in your body, such as your liver, may be affected by cancer.

  • Endoscopic ultrasound. During Associate in Nursing examination ultrasound, a skinny tube with a camera on the tip is passed down your throat and into your abdomen. A special ultrasound tool is employed to form footage of your stomach. Examination ultrasound helps doctors confirm however deeply a cancer penetrates the stomach wall. 

  • Imaging tests. Tests may include CT and positron emission tomography (PET).

  • Exploratory surgery. Your doctor could suggest surgery to appear for signs that your cancer has developed on the far side of your abdomen, inside your chest or abdomen. Beta surgery is sometimes done laparoscopically. This suggests the doctor makes many little incisions in your abdomen and inserts a special camera that transmits pictures to a monitor within the in operation room. alternative staging tests are also used, counting on your situation. Your doctor uses the knowledge from these procedures to assign a stage to your cancer. The stages of stomach cancer are indicated by Roman numerals that vary from zero to IV, with the lowest stages indicating that the cancer is little and affects solely the inner layers of your stomach. By stage IV, the cancer is taken into account and should have developed into alternative areas of the body. 

Treatment Stomach cancer

Treatment depends on however much your cancer’s spread, your health and treatment preferences. It usually involves a care team that features your medical care provider, a cancer specialist (oncologist) and an epithelial duct specialist (gastroenterologist). they'll advise you on treatment choices. Treatment options for abdomen cancer rely on the cancer' location, stage and aggressiveness. Your doctor conjointly considers your overall health and your preferences once making a treatment plan.


The goal of surgery is to get rid of all of the cancer and a few of the healthy tissue around it. Operations used for abdomen cancer include:

  • Removing early-stage tumors from the stomach lining. Very small cancers limited to the interior lining of the stomach may be removed by way of passing unique tools through an endoscope. Procedures to cut away most cancers from the inside lining of the belly include endoscopic mucosal resection and endoscopic submucosal resection.

  • Removing part of the stomach (subtotal gastrectomy). During subtotal gastrectomy, the health care provider gets rid of the part of the stomach suffering from cancer and a number of the healthy tissue around it. This operation may be an option in case your belly cancer is placed within a part of the belly nearest the small gut.

  • Removing the entire stomach (total gastrectomy). Total gastrectomy entails doing away with the complete belly and a few surrounding tissue. The esophagus is then connected immediately to the small gut to allow meals to move through your digestive gadget. Total gastrectomy is used most often for belly cancers that have an effect on the body of the stomach and those that are positioned in the gastroesophageal junction.

  • Removing lymph nodes to look for cancer. The surgeon may remove lymph nodes in your abdomen to test them for cancer.

  • Surgery to relieve signs and symptoms. An operation to take away part of the belly might also relieve signs and symptoms and signs of a developing cancer in humans with advanced stomach most cancers.


Chemotherapy may be a drug treatment that uses chemicals to kill cancer cells. Therapy medicine travels throughout your body, killing cancer cells that will have unfold on the far side of the abdomen. Therapy is often given before surgery to assist shrink the cancer so it can be a lot of simply removed. therapy is additionally used once surgery to kill any cancer cells which may stay within the body. therapy is commonly combined with radiation therapy. therapy could also be used alone or with targeted drug therapy in individuals with advanced stomach cancer.

Radiation therapy

Radiation therapy uses excessive-powered beams of strength, along with X-rays and protons, to kill cancer cells. The energy beams come from a device that moves around you as you lie on a table.

For most cancers, radiation remedy may be used before surgical operation to reduce the most cancers so that it's extra without difficulty being removed. Radiation remedy also can be used after surgery to kill any cancer cells that could stay. Radiation therapy is regularly mixed with chemotherapy.

For advanced belly most cancers that can not be removed with surgical operation, radiation remedy may be used to relieve facet results, including ache or bleeding, caused by a developing cancer.

Targeted drug therapy

Targeted drug treatments pay attention to specific weaknesses present inside most cancer cells. By blocking these weaknesses, centered drug treatments can motivate most cancer cells to die. For most cancers, centered capsules are typically combined with chemotherapy for advanced cancers or most cancers that come back after a remedy.

Your doctor may additionally check your cancer cells to see which targeted drugs are maximum, probably to be just right for you.


Immunotherapy is a drug remedy that enables your immune device to combat cancer. Your body's sickness-fighting immune system won't assault cancer because the cancer cells produce proteins that make it hard for the immune gadget cells to apprehend the cancer cells as dangerous. Immunotherapy works by interfering with that manner.

For belly cancer, immunotherapy is probably used while the cancer is superior, if it comes lower back or if it spreads to other elements of the body.

Supportive (palliative) care

Palliative care is specialized medical aid that focuses on providing relief from pain and other symptoms of a significant illness. Palliative care specialists work with you, your family and your other doctors to supply an additional layer of support that enhances your current care. Palliative care is used whereas undergoing aggressive treatments, adore surgery, therapy or radiation therapy. Once palliative care is employed together with all of the opposite acceptable treatments, folks with cancer might feel higher and live longer. Palliative care is provided by a team of doctors, nurses and other specially trained professionals. Palliative care groups aim to enhance quality of life for folks with cancer and their families. this kind of care is obtainable aboard curative or alternative treatments you'll be receiving. 

Coping and support

A cancer designation is often overwhelming and frightening. Once you begin to regulate the initial shock of your diagnosis, you'll realize that it helps to remain centered on tasks that assist you cope. For example, strive to:

  • Learn enough to make decisions about your care. Ask your doctor to put in writing down the main points of your cancer — the type, the stage and your treatment options. Use those details to seek out additional info regarding abdomen cancer and also the edges and risks of every treatment option. 

  • Connect with other cancer survivors. Ask your doctor concerning support teams in your area. Or go browsing and connect with cancer survivors on message boards, admire those who pass the yank Cancer Society. 

  • Stay active. Being diagnosed with cancer doesn't mean you've got to prevent doing the items you relish or commonly do. For the foremost part, if you're feeling to an adequate degree to try and do something, plow ahead and do it. 

Preparing for your appointment

Start by seeing your general practitioner if you have got signs or symptoms that worry you. If your doctor suspects that you simply may have an abdomen problem, you will be spoken to by a doctor who focuses on conditions that have an effect on the systema digestorium (gastroenterologist). Once stomach cancer is diagnosed, you may be referred to a cancer specialist (oncologist) or a Dr. who specializes in operative on the biological process tract. As a result appointments will be brief, and since there's often loads of data to discuss, it's an honest plan to be prepared. Here's some information to assist you get ready, and what to expect from your doctor.

What you can do

  • Be aware of any pre-appointment restrictions. At the time you create the appointment, make sure to raise it if there's something you wish to try to do in advance, cherish and limit your diet. 

  • Write down any symptoms you're experiencing, including any that may seem unrelated to the reason for which you scheduled the appointment.

  • Write down key personal information, including any major stresses or recent life changes.

  • Make a list of all medications, vitamins or supplements that you're taking.

  • Note what seems to improve or worsen your signs and symptoms. Keep track of whether foods, medications or alternative factors influence your signs and symptoms. 

  • Consider taking a family member or friend along. Sometimes it is often tough to soak up all the knowledge provided throughout an associate degree appointment. somebody who accompanies you will keep in mind one thing that you just incomprehensible or forgot. 

  • Write down questions to ask your doctor.

Your time along with your doctor is limited, thus making a list of queries will assist you in all of your concerns. List your questions from most significant to least important just in case time runs out. For abdomen cancer, some basic inquiries to raise your doctor include:

  • What type of stomach cancer do I have?

  • How advanced is my stomach cancer?

  • What other kinds of tests do I need?

  • What are my treatment options?

  • How successful are the treatments?

  • What are the benefits and risks of each option?

  • Is there one option you feel is best for me?

  • How will treatment affect my life? Can I continue to work?

  • Should I seek a second opinion? What will that cost, and will my insurance cover it?

  • Are there brochures or other printed material that I can take with me? What websites do you recommend?

In addition to the questions that you've prepared to ask your doctor, don't hesitate to ask questions as they occur to you during your appointment.

What to expect from your doctor

Your doctor is probably going to raise you a variety of questions. Being able to answer them could enable you to hide different points you wish to address. Your doctor may ask:

  • When did you first begin experiencing symptoms?

  • Have your symptoms been continuous or occasional?

  • How severe are your symptoms?

  • What, if anything, seems to improve your symptoms?

  • What, if anything, appears to worsen your symptoms?

General summary

  1. When you have stomach cancer a small (1 to 3 centimeters) lump on your stomach often becomes swollen and irritated. The pain is sometimes relieved by eating or taking medication but then returns as the inflammation gets worse. Some people with stomach cancer also experience indigestion, bloating and nausea.

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