A 72-Year-Old Man Presents With Symptoms of Abdominal Pain and Bloody Stools

Poll

A 72-year-old man presents with symptoms of abdominal pain and blood in his stools. A biopsy of the colon is obtained.

What is your diagnosis?

A. Villous adenoma
B. Serrated polyp
C. Signet ring cell adenocarcinoma
D. Glandular hyperplasia
E. Normal colonic mucosa