[Chondrosarcoma of the frontal and etmoid sinuses].
D002813:Chondrosarcoma / Q000473:pathology*; D005005:Ethmoid Sinus / Q000473:pathology*; D005626:Frontal Sinus / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010255:Paranasal Sinus Neoplasms / Q000473:pathology*
Khondrosarkoma lobnykh i reshetchatykh pazukh.