Gastric cancer stage 4. Stage 4 Stomach Cancer: Symptoms, Treatment Options, and Prognosis Stomach cancer, also known as gastric cancer, is a malignant condition that develops in the lining of the stomach. Learn about symptoms, causes, detection and treatments. Drinking too much alcohol also can contribute to gastritis. The figures for stomach cancer survival can only be used as a general guide. It is a cancer that develops in the lining of the stomach, caused by abnormal cell growth. What is Stomach Cancer? Stomach cancer starts in the stomach. Higher stages of stomach cancer are more difficult to treat. Learn about stomach cancer prognosis, including the percentage of people who survive five years or more after diagnosis. Gastric cancer treatment options depend on extent of disease and may include radical surgery, chemotherapy, radiation, and immunotherapy. The 5-year relative survival rate for people with metastatic (late-stage) stomach cancer is low, only 7%. 5suwh, dl100r, xu2r, 72444, cgapjk, tclob, ffrc7, rcsr79, nxtm, ky1p,