Patient Presents With Bloody Stools, Abdominal Pain

Patient Presents With Bloody Stools, Abdominal Pain

November 19, 2015

A 52-year-old man presents with lower abdominal pain and bloody stools. A colon biopsy is obtained. What is your diagnosis?

A 52-year-old man presents with lower abdominal pain and bloody stools. A colon biopsy is obtained.

What is your diagnosis?