Division of Surgical Oncology;
City of Hope Comprehensive Cancer Center;
Duarte;
CA 91010;
United States;
Department of Biostatistics;
City of Hope Comprehensive Cancer Center;
Duarte;
CA 91010;
United States;
Department of Surgery;
Harbor-UCLA Medical Center;
Torrance;
CA 90509;
United States;
Department of Medical Oncology;
City of Hope Comprehensive Cancer Center;
Duarte;
CA 91010;
United States;
Cholangiocarcinoma; Chemotherapy; Surgery; Survival; Therapies;