Intra-ampullary papillary-tubular neoplasm combined with ampullary neuroendocrine carcinoma: A case report.

The prognosis of invasive IAPNs is still significantly better than that of conventional invasive carcinomas of the ampulla, although the difference in survival rate at 5 years did not reach statistical significance (3-year survival rate 69% vs 44%, P < 0.01 and 5-year survival rate 45% vs 28%, P = 0.06 for invasive IAPNs vs other invasive ampullary carcinomas, respectively)[ 1 ].

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