text: Functional endoscopic sinus<unk>  (FESS) is reserved for cases of chronic rhinosinusitis that do not respond to medical therapy.
option_0: Rhinosinusitis surgery
option_1: Pharyngitis surgery
option_2: Adenoiditis surgery
option_3: Rhinosinusitis medical therapy
option_4: Adenoiditis medical therapy
option_5: Tonsillitis surgery
option_6: Epiglottitis medical therapy
option_7: Mastoiditis surgery