Effective control in MSI-high unresectable intrahepatic cholangiocarcinoma treated with gemcitabine/cisplatin/durvalumab and proton beam therapy: a case report. - Nosaka T; Naito H; Murata Y; Akazawa Y; Tanaka T; Takahashi K; Naito T; Ohtani M; Imamura Y; Nakamoto Y (Frontiers in immunology, 2025)