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Example image of papillary/ampullary carcinomas
a) Ulcerating tumor growth; stage: during exploratory laparoscopy, liver metastases were confirmed, immunohistochemically pancreaticobiliary phenotype
b) Polypoid tumor growth; after resection pT1b, pN0 (0/15), L0, V0, G2, R0; pancreaticobiliary subtype
c) Polypoid-ulcerating tumor growth; after resection pT3a, pN0 (0/22), L0, V0, Pn0, local R0, intestinal type
