CASE 66
History: A 68-year-old woman presents with abnormal liver function tests.
1. Which of the following should be included in the differential diagnosis of the imaging finding shown in the figures? (Choose all that apply.)
2. Histologically, of what tissue type are most duodenal polyps?
3. What is the most common cause of polypoid-like filling defects at the base of the duodenal bulb?