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  1. Article

    Open Access

    An age-group analysis on the efficacy of chemotherapy in older adult patients with metastatic biliary tract cancer: a Japanese cancer registry cohort study

    The effectiveness of chemotherapy in older adult patients with biliary tract cancer (BTC) remains to be established, despite the fact that the majority of patients diagnosed with BTC tend to be aged ≥ 70 years...

    Takeru Hirao, Kenji Ikezawa, Toshitaka Morishima, Kazuma Daiku in BMC Gastroenterology (2023)