By contrast, nodular lesions project directly into the lumen of the bile duct. The papillary subtype is the rarest form of perihilar CCA, and these lesions are typically friable and do not invade ...
Perihilar cholangiocarcinoma (CCA ... It is now universally accepted that these lesions necessitate a major hepatic resection to achieve both longitudinal and radial margins negative for tumors.
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