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Gastric cancer, also known as stomach cancer, is a type of cancer that develops in the cells lining the innermost layer of the stomach. It typically starts in the mucosa, which is the stomach's inner lining, and can then invade deeper layers of the stomach wall as it progresses. Gastric cancer is a relatively common form of cancer, but its incidence has been decreasing in many parts of the world due to improvements in diet, food preservation, and hygiene.

There are several types of gastric cancer, with the most common type being adenocarcinoma, which starts in the glandular cells of the stomach lining. Other less common types include lymphoma, gastrointestinal stromal tumor (GIST), and carcinoid tumors.

The exact cause of gastric cancer is not always clear, but there are several risk factors associated with an increased likelihood of developing the disease, including:

Helicobacter pylori infection: This bacterium is a major risk factor for gastric cancer. It can cause chronic inflammation of the stomach lining, which over time can lead to cancer.

Diet: A diet high in salty, smoked, pickled, or preserved foods may increase the risk of gastric cancer. Additionally, diets low in fruits and vegetables may also be a contributing factor.

Tobacco and alcohol use: Smoking and heavy alcohol consumption are associated with an increased risk of gastric cancer.

Family history: Individuals with a family history of gastric cancer have a higher risk of developing the disease themselves.

Age: Gastric cancer is more common in older adults, with the risk increasing with age.

Certain medical conditions: Conditions such as chronic gastritis, pernicious anemia, and stomach polyps can increase the risk of gastric cancer.

The symptoms of gastric cancer can vary, but they may include:

Indigestion or heartburn

Abdominal pain or discomfort

Nausea and vomiting

Loss of appetite

Unintentional weight loss

Feeling full after eating only a small amount

Bloody or black stools

Fatigue

Diagnosis typically involves a combination of medical history assessment, physical examination, imaging tests (like CT scans or endoscopy), and biopsy to confirm the presence of cancerous cells.

The treatment for gastric cancer depends on several factors, including the stage of cancer, the patient's overall health, and the specific location of the tumor. Treatment options may include surgery, chemotherapy, radiation therapy, targeted therapy, and immunotherapy.

Early detection and prompt treatment can improve the prognosis for gastric cancer. However, because symptoms are often non-specific and may not appear until the disease has advanced, regular screenings and awareness of risk factors are important in managing this disease.

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kalyani tallapaka

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14y ago

Cancer is a disease that causes unusual cell growth in a part of the body. These growths are called tumors. The tumors may be benign (not cancer) or malignant (cancerous). Stomach cancer would be diagnosed if the abnormal malignant cell growth is happening on or in the stomach.

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12y ago

Gastric cancer is a type of cancer found in the stomach which is why it is often referred to as stomach cancer. Gastric cancer can spread throughout the body and effect all the body's organs.

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