Clinical-pathological conference. Case 31, part 1.
D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000473:pathology*; D008443:Maxillary Sinus / Q000473:pathology; D010255:Paranasal Sinus Neoplasms / Q000473:pathology