Is immediate adjuvant radiotherapy necessary for men with positive surgical margin after robotic-assisted radical prostatectomy? - Chen, Yu-Ting; Liu, Chung-Yi; Su, Shih-Huan; Yu, Kai-Jie; Chang, Ying-Hsu; Lin, Po-Hung; Shao, I-Hung; Kan, Hung-Cheng; Chu, Yuan-Cheng; Huang, Liang-Kang; Chuang, Cheng-Keng; Pang, See-Tong (Formosan Journal of Surgery, 2021)