Inverted papilloma.
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000150:complications*; D006801:Humans; D008297:Male; D008443:Maxillary Sinus; D008875:Middle Aged; D009298:Nasal Polyps / Q000150:complications*; D010212:Papilloma / Q000150:complications*; D010255:Paranasal Sinus Neoplasms; D010256:Paranasal Sinuses / Q000473:pathology