Non-cardia gastric cancer, which develops in the mucus-producing cells that make up the inner lining of the main part of the stomach, accounts for about 80% of stomach tumors worldwide, and is the ...

Upper stomach pain can mean gas, indigestion, or stomach viruses. More severe causes can include appendicitis, gallstones, bowel obstruction, or peptic ulcers.

The occasional stomachache is normal, but if your stomach hurts every day, it may be due to factors like certain medications you're taking, a food intolerance, gallstones, or stress.

Gastric cancer, or stomach cancer, is a type of cancer that begins in the mucus-producing cells on the inside lining of the stomach. The most common type of stomach cancer is adenocarcinoma. Kim ...