Biliary duct invasion (BDI) is an underrecognized growth pattern of colorectal cancer (CRC) liver metastases that can mimic intrahepatic cholangiocarcinoma or intraductal papillary neoplasm of the bile duct. Its prevalence and clinicopathologic associations remain unclear. This study aimed to determine the prevalence of BDI and its clinicopathologic associations in surgically resected CRC liver metastases.
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Yıldırım et al. (2026) studied this question.
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