Unusual histological findings after partial pancreaticoduodenectomy including benign multicystic mesothelioma, adenomyoma of the ampulla of Vater, and undifferentiated carcinoma, sarcomatoid variant: a case series.
Department of General, Visceral and Pediatric Surgery; Heinrich-Heine-University Duesseldorf, Moorenstr, 5, 40225 Duesseldorf, Germany. cupisti@uni-duesseldorf.de.
