英语语法分析

To investigate the effect of treating non-invasive fungous sinusitis by functional endoscopic sinus surgery (FESS) or radical maxillary antrotomy (RMA).

目的探讨功能性内镜鼻窦手术（FESS）与上颌窦根治术（RMA）治疗非侵袭型真菌性鼻窦炎的疗效。