(来学网)直肠癌根治术后常规分割放射治疗的适合剂量为
  • A.
    (来学网)30Gy
  • B.
    (来学网)40Gy
  • C.
    (来学网)50Gy
  • D.
    (来学网)60Gy
  • E.
    (来学网)70Gy