Created page with "===Provided clinical history=== 41 year old male, sudden onset of abdominal pain and bleeding, eroded lesion biopsied on colonoscopy. ===Site=== Rectal Sigmoid ===Primary im..."
(Created page with "===Provided clinical history=== 41 year old male, sudden onset of abdominal pain and bleeding, eroded lesion biopsied on colonoscopy. ===Site=== Rectal Sigmoid ===Primary im...")