Rectum Rectum Rectum: Proctitis, Asymptomatic By Dr. Paul M. Choi Rectum 12 April 2012 Hits: 2467 Share: Facebook Twitter Google+ Mild asymptomatic proctitis involving the distal 2-3cm of the rectum in a 48 year old male who underwent colonoscopy for a family history of colon cancer. Prev Next