This document discusses various filling defects that can occur in the gastric remnant after surgery. It describes 7 figures showing examples of different defects, including a suture granuloma appearing as a smooth tumor, a bezoar appearing as a mottled mass, gastric stump carcinoma appearing as an irregular narrowing, and recurrent gastric carcinoma appearing as tumor infiltration narrowing the lumen. It also mentions bile reflux gastritis, jejunogastric intussusception appearing as a large sharply defined filling defect, and gastrojejunal mucosal prolapse appearing as a large partially obstructing mass.