CASE 140
History: A 54-year-old man presents with rectal bleeding.
1. What should be included in the differential diagnosis of the imaging finding shown in Figure A? (Choose all that apply.)
2. What is the most common site of colonic villous adenomas?
3. Which of the following statements regarding colonic polyps is true?
A. Of colonic polyps, 10% are adenomas.
B. Of colonic polyps, 10% are of flat morphology.
C. Of colonic polyps, 10% are found in the rectum.