External operation on the frontal sinus using a muco-periostial graft.
D000328:Adult; D005260:Female; D005626:Frontal Sinus / Q000601:surgery*; D006801:Humans; D008875:Middle Aged; D009078:Mucocele / Q000601:surgery*; D009297:Nasal Mucosa / Q000637:transplantation; D010255:Paranasal Sinus Neoplasms / Q000601:surgery*; D010521:Periosteum / Q000637:transplantation*