Maxillary sinus abnormalities. Radiographic evidence in an asymptomatic population.
D000293:Adolescent; D000328:Adult; D000337:Aerospace Medicine; D000367:Age Factors; D006261:Headache; D006801:Humans; D008297:Male; D008443:Maxillary Sinus; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging / Q000453:epidemiology*; D011127:Polyps / Q000000981:diagnostic imaging / Q000453:epidemiology*; D011859:Radiography; D012852:Sinusitis / Q000000981:diagnostic imaging / Q000453:epidemiology*