Tumors or cancer of the either the COLON or RECTUM or both. The most frequent malignant tumor in the United States. Etiological factors which increase ...
Inflammatory disease of unknown cause which involves the mucosa of the colon. Onset may be acute and fulminant, and its course often continues chronically in ...
Chronic, nonbacterial inflammatory narrowing of the bile ducts. About 50% of the cases are associated with ulcerative colitis. Treatment is to relieve the obstruction by ...