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1.This surgery involves opening the anterior ethmoidal foramen to remove a tumor.
这个手术需要打开前筛窦开口以移除肿瘤。
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2. The patient had to undergo a procedure that involved the anterior ethmoidal foramen.
患者不得不接受一个涉及前筛窦开口的程序。
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3.Due to the anterior ethmoidal foramen, it is difficult to perform the surgery in this area.
由于前筛窦开口的原因,在这个区域进行手术很困难。