upper inner quadrant

• 内上象限； 内上四分之一

upper inner quadrant的用法和样例：

例句

1. When the primary carcinoma was located in the upper-outer quadrant, quadrantectomy and axillary dissection were done en bloc.
   肿块位于乳腺外上象限者，原发灶与腋窝行整块切除。