• Adenocarcinoma: Stomach cancer with an adenocarcinoma origin in mucus-producing cells. The most typical form of stomach cancer is this one. Adenocarcinoma stomach cancer make up the majority of malignancies that begin in the stomach.
• Gastrointestinal stromal tumors (GIST): Special nerve cells located in the stomach wall and other digestive organs are where GIST begins. A kind of soft tissue sarcoma is GIST.
• Carcinoid tumors: Neuroendocrine cells are the origins of carcinoid tumors which are malignancies. Numerous locations across the body contain neuroendocrine cells. They perform some of the duties if nerve cells and some of the duties of hormone-producing cells. Neuroendocrine tumors include carcinoid tumors.
• Lymphoma:A malignancy that begins in immune system cells is lymphoma. The immune system of the body fights pathogens. If the body sends immune system cells to the stomach, lymphoma may occasionally begin there. If the body is attempting to fight off an illness, this could occur. If the body is attempting to combat an illness, then this might occur. Non-lymphoma Hodgkin’s is the most common type of lymphoma that begins in the stomach.

Signs and symptoms:

The stomach cancer signs and symptoms might include:

• Trouble swallowing
• Belly Pain
• Feeling bloated after eating
• Feeling full after eating small amounts of food
• Not feeling hungry when you would expect to be hungry
• Heartburn
• Indigestion
• Nausea
• Vomiting
• Unintentional weight loss
• Fatigue and tiredness
• Black stools

•   Signs of early stomach cancer are not always present. Indigestion and soreness in the upper abdomen are possible symptoms when they occur. The symptoms don’t appear until the cancer has spread. The symptoms in the later stages of stomach cancer include extreme fatigue, unintentional weight loss, blood vomiting and black stools.
  
    Metastatic stomach cancer refers to stomach cancer that has migrated to additional bodily locations. According to its spread, it exhibits certain symptoms. For instance, lumps may be felt through the skin if cancer spreads to the lymph nodes. The skin and eye whites may turn yellow as a result of cancer that has gone to the liver. It’s possible for the belly to fill with fluids if cancer spreads there. The stomach may appear bloated.

Risk Factors

Stomach cancer risk factors include the following:

• Gastroesophageal reflux disease is a chronic condition marked by recurrent issues with stomach acid esophageal reflux consuming a lot of smoked and salty meals.
• Less consumption of fruits and vegetables
• Gastrointestinal infection cause by the bacteria, Helicobacter pylori
• Gastritis is the medical term for the swelling and irritability on the inside of the stomach
• Smoking
• Polyps, which are growth of non-cancerous cells in the stomach.
• Family history of stomach cancer
• Family history of genetic syndromes such as Lynch syndrome, juvenile polyposis syndrome, Peutz-Jeghers syndrome and familial adenomatous polyposis which increase the risk of stomach cancer and other malignancies

Diagnosis

The following tests and techniques are used to identify and diagnose stomach cancer:

• Looking inside the stomach:Your doctor may insert a tiny camera within your stomach to look for indications of cancer. This procedure is called upper endoscopy. A thin tube with a tiny camera on the end is passed down from the throat and into the stomach.
• Taking a tissue sample for analysis:Your stomach may need to be removed for testing if something that appears to be cancer is seen there, It is known as biopsy. During and upper endoscopy, it is possible to obtain the tissue sample, specialized tools are passed through the tube. For testing, the sample is delivered to a lab.

• If you are diagnosed with stomach cancer, you may have additional testing to determine whether the disease has spread. The cancer is staged using this information. This stage provides information to your doctor regarding the prognosis and how far along your cancer is. The following tests and methods are used to determine the stage of stomach cancer:

• Blood Tests
• Ultrasound
• Imaging tests
• Surgery

Prevention

• Eating a lot of fruits and vegetables will reduce your chances of stomach cancer. Incorporate fruits and vegetables into your diet on a daily basis. Pick a selection of fruit and vegetable colors.
• Limit your intake of smoked and salty foods. Limiting these meals will help to protect your stomach.
• Quit smoking: Quit smoking if you do so. Stop smoking if you don’t already. Smoking raises your risk of developing stomach cancer as well as several other cancers. Ask your doctor for assistance if you need it because quitting smoking can be difficult.
• In case stomach cancer runs in your family, let your doctor know. People who have a strong family history of stomach cancer may undergo screening can find stomach cancer before symptoms appear.