Table 1.

Patients characteristics and treatment of perforation.

Age/gender	Diagnosis	Cause of perforation	Size (mm)	Location	Treatment	NPO/LOS (days)
78/F	Bowel habit change	Colonoscope	10	Rectosigmoid junction	1 OTSC	1/3
56/F	Distal cholangiocarcinoma failed biliary cannulation	Needle-knife dilation of choledochoduodenostomy	15	Medial duodenal wall	1 OTSC, PTBD	10/22
70/F	Choledocholithiasis	Duodenoscope	10	Lateral duodenal wall	1 OTSC, ERCP with stone removal	7/15
60/M	Choledocholithiasis	Duodenoscope	13	Lateral duodenal wall	1 OTSC	1/2
58/F	Choledocholithiasis	Duodenoscope	13	Lateral duodenal wall	1 OTSC	3/8
39/M	Chronic pancreatitis with pancreatic duct stone and stricture after pancreatic stenting	Duodenoscope	40	Lateral duodenal wall	2 OTSCs with 1 band ligation	8/12

NPO, nil per oral; LOS, length of stay; OTSC, over-the-scope clip.