Collagenous colitis

Collagenous colitis (CC) is a rare form of inflammatory bowel disease (IBD) that primarily affects the colon. It is characterized by chronic diarrhea and inflammation

Chronic ulcerative rectosigmoiditis

Chronic ulcerative rectosigmoiditis, a subtype of ulcerative colitis, is an inflammatory bowel disease (IBD) characterized by persistent inflammation and ulceration in the rectum and sigmoid