Colon

Melanosis Coli

Acute Appendicitis

Peritonitis

Diverticulitis

Bacterial Enterocolitis

Amebiasis

CMV

Mycobacterium avium Complex (MAC)

Pseudomembranous Colitis

Acute Ischemic Bowel

Chronic Ischemic Bowel

Radiation Colitis

Crohn Disease

Ulcerative Colitis

Indeterminant Colitis

Microscopic Colitis

Pouchitis

Diversion Proctitis

Ileostomy

Solitary Rectal Ulcer Syndrome (SRUS)

Congenital Aganglionic Megacolon (Hirschsprung)

Hamartomatous Polyp

Hyperplastic Polyp

Colonic Adenoma

Serrated Adenoma

Sessile Serrated Adenoma (SSA)

Dysplasia in IBD

Neuroendocrine Neoplasms of the GI Tract

Colorectal Adenocarcinoma

Appendiceal Adenocarcinoma

Colon Cancer Staging

Insufficient Biopsy, Benign