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A new biliary duct (BD) stricture raises questions about the presence of malignancy, especially with a history of metastatic pancreatic cancer. A few cases of colloid carcinoma (CC) of the pancreas have been published, but none have described recurrence in the biliary tract. We report a case of intrahepatic biliary CC that recurred after two years after the last dose of immunotherapy for pancreatic CC. In addition to a unique biliary cancer case presentation, this case raises awareness of the best strategy for cancer surveillance.
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Nieto et al. (2023) studied this question.
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