Surgical method choice and coincidence rate of pathological diagnoses in transduodenal ampullectomy: A retrospective case series study and review of the literature

Figure 1 Gastroscopic images and endoscopic ultrasonography. A: A swollen duodenal papilla that bled easily when touched; B: Periampullary endoscopic ultrasound showing bile duct and pancreatic duct expansion; C: Gastroscopic image 3 mo after operation; a small amount of bile refluxed to the stomach cavity, with no gastric ulcer; D: Site of bile duct, pancreatic duct, and duodenal anastomosis replantation; no anastomotic tumor relapse; visible suture knot; pancreatic duct supporting tube fell off.