Gastrointestinal cancers occur when DNA changes cause malignant (cancerous) cells to grow along the gastrointestinal tract. Learn about symptoms and treatment.
A gastrointestinal stromal tumor is a rare type of cancer that starts in cells in the wall of the digestive tract. Learn about symptoms and treatment.
Stomach cancer develops when malignant cells begin to grow somewhere in the five layers that form the stomach lining. Learn about symptoms and treatment.