Fig. 1From: Outcomes of endoscopic management of benign maxillary sinus lesions 5-year experience, non-randomized clinical trialsSteps of MMAA. A Appearance of LT ACP protruding from the middle meatus. B Uncinectomy using backbiter and then MMA was performed. C Delivery of the polyp transnasally. D Removal of the residual polyp at posteroinferior partBack to article page