直肠癌常规单纯放疗盆腔照射和残存肿瘤局部加量至多少为宜?()
A:45~50Gy,66~70Gy
B:30Gy,66~70Gy
C:40Gy,66~70Gy
D:30Gy,60Gy
E:40Gy,60Gy
出自:LA医师