(来学网)因溃疡病行胃大部切除术,适当的胃切除是
  • A.
    (来学网)30%~40%
  • B.
    (来学网)40%~so%
  • C.
    (来学网)50%~60%
  • D.
    (来学网)60%~70%
  • E.
    (来学网)70%~80%