text_1: 与 单独 乳腺 X 线 检查组 相比 , MRI 邀请 组中 检出 的 癌症 似乎 分化 程度较高 , 并且 激素 受体 阳性 的 比例 较 高 .
  
text_2: cancers that were detected in the MRI @-@ invitation group appeared to be better differentiated and more often were hormone @-@ receptor positive than those in the mammography @-@ only group .
  