advanced biliary tract cancer (BTC)human epidermal growth factor receptor 2 (HER2)-positive BTClenvatinibRC48Huazhong University of Science and TechnologyTongji Medical CollegeDisitamab vedotinChemotherapyUnion Hospital
…n Chemotherapy is the standard second-line treatment option for advanced biliary tract cancer (BTC), but its therapeutic efficacy is suboptimal. Disitamab vedotin …