It consists of carcinoma of pancreatic head in 9 carcinoma of Vater 's ampulla in 18 carcinoma of Vater 's papilla in 7 duodenal carcinoma in 2 duodenal sarcoma in 1 and other 4 cases with benign lesions .

其中，胰头癌9例， 壶腹癌18例， 乳头癌7例，十二指肠癌2例及肉瘤1例，属良性病变者4例。