Fig. 6
From: Clinically relevant phenotypes in chronic rhinosinusitis
a-c: Endoscopy images of a 70 yo male patient with non-eCRS referred for revision surgery, although some synechiae had formed, he had limited response to corticosteroid with diffuse airway symptoms suffering from non-eCRS following sinus surgery, but with persistent symptoms; d-f: Endoscopy images of same patient 3 months after initiation of macrolide therapy (Clarithromycin 250 mg daily)