Effect of hospital volume on margin status after pancreaticoduodenectomy for cancer.
D000230:Adenocarcinoma / Q000473:pathology / Q000601:surgery*; D000368:Aged; D005260:Female; D006761:Hospitals / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010190:Pancreatic Neoplasms / Q000473:pathology / Q000601:surgery*; D016577:Pancreaticoduodenectomy / Q000706:statistics & numerical data*