“…Some retrospective studies had yielded results similar to ours. [ 7 , 9 , 10 , 16 , 17 – 20 ] For instance, A 9-year follow-up of 275 cT3-4 or N1 and M0 patients diagnosed in 2004 showed that patients received RP had significantly higher CSS than those received EBRT. However, this study didn’t focus on the comparison of RP and EBRT, while the number of samples was small.…”