Female 78 years

Short history of diarrhoea and a widespread rash. Colonoscopy revealed a granular oedematous change throughout the colon. Colonoscopic biopsies.

Female 27 years

Multiple polyps in colon.

Female 45 years

Polypoid nodule in ascending colon.

Male 85 years

Sigmoid cancer treated palliatively. Subsequent perforation. This is bowel wall from adjacent to the sigmoid colonic cancer.