Fibrosarcomas of the nose and paranasal sinuses.
D000368:Aged; D005354:Fibrosarcoma / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008443:Maxillary Sinus; D008875:Middle Aged; D009669:Nose Neoplasms / Q000175:diagnosis*; D010255:Paranasal Sinus Neoplasms / Q000175:diagnosis*