Doctors only diagnose cancer after ruling out other possible causes for symptoms and performing tests to check and double-check the diagnosis. Learn more about these tests.
Whether for screenings, diagnosis, or treatment for yourself or someone you care about, Yale Cancer Center offers multidisciplinary care.
Gastrointestinal cancers occur when DNA changes cause malignant (cancerous) cells to grow along the gastrointestinal 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.
A type of cancer that begins in glandular cells that line the small intestine.