Hammad AY, Berger NG, Eastwood D, Tsai S, Turaga KK, Christian KK, Johnston FM, Pawlik TM, Gamblin TC. Is Radiotherapy Warranted Following Intrahepatic Cholangiocarcinoma Resection? The Impact of Surgical Margins and Lymph Node Status on Survival. Ann Surg Oncol. 2016 12; 23(Suppl 5):912-920.