“…Sufficient drainage is the basis of treatment for POPF. In most cases, peritoneal fluid collection caused by pancreatic fistula could be effectively managed through routine abdominal drainage [6,29], percutaneous peritoneal drainage under CT or ultrasound guidance [29,33,47,73], and internal drainage using endoscopic ultrasonography by placing pancreatic duct stents [17,29]. With sufficient drainage combined with nutritional support [73], antibiotic therapy [74], and inhibition of pancreatic secretion, most patients would recover uneventfully from POPF.…”