They often manifest as a concentric thickening of the bile duct ... The papillary subtype is the rarest form of perihilar CCA, and these lesions are typically friable and do not invade through ...
No writing assistance was utilized in the production of this manuscript. Perihilar cholangiocarcinoma (CCA) is a complex disease best approached by a multimodal treatment regimen. The incidence of ...
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