(来学网)HER-2在乳腺癌的表达率为
  • A.
    (来学网)小于10%
  • B.
    (来学网)30%~40%
  • C.
    (来学网)25%~30%
  • D.
    (来学网)40%~50%
  • E.
    (来学网)大于50%