ToPanc Trial: Survival After Total Versus Partial Pancreaticoduodenectomy for Adenocarcinoma of the Pancreatic Head, Distal Cholangiocarcinoma, and Ampullary Cancer

Inclusion Criteria: * Adult patients (age ≥ 18 years) scheduled to undergo PD for highly suspected or histologically proven, resectable pancreatic ductal adenocarcinoma (PDAC), distal cholangiocarcinoma (DCC), and/or ampullary cancer (pancreaticobiliary type) * Suspected pancreas anastomosis at high-risk for development of a postoperative pancreatic fistula (POPF) (grade "D" according to Schuh et al. (29): Estimation by CT scan, MRI, and/or Endoscopic Ultrasound * Written informed consent Exclusion Criteria: * Duodenal carcinoma, ampullary cancer (intestinal type), neuroendocrine tumors, benign tumors, chronic pancreatitis * Medical conditions that do not allow appreciation of the nature, scope, and possible consequences of the trial as judged by the investigator * Pregnancy. A beta-Human Chorionic Gonadotropin (bHCG) pregnancy test must to be performed for women of child-bearing potential (defined as premenopausal women who have not undergone surgical sterilization) * Inability to follow the study procedures, e.g., due to psychological disorders, dementia, etc.