Gastrointestinal bleeding after pancreatoduodenectomy: Report of four cases

Figure 1 Computed tomography images of Cases 1-4 and endoscopy image of Case 4. A: Computed tomography (CT) image of a 70-year-old male patient who was diagnosed with pancreatic ductal adenocarcinoma (PDAC) (Case 1); B: CT image of a 65-year-old female patient who had PDAC (Case 2); C: CT image of a 69-year-old male patient who was diagnosed with chronic pancreatitis (Case 3); D: CT image of a 71-year-old man who had periampullary adenocarcinoma (Case 4); E and F: Endoscopy images of the ampullary adenocarcinoma in Case 4.