The three flaps dacryocystorhinostomy.
D003607:Dacryocystitis / Q000601:surgery; D003608:Dacryocystorhinostomy; D006801:Humans; D007765:Lacrimal Apparatus / Q000601:surgery*; D008722:Methods; D008853:Microscopy; D008866:Microsurgery; D009078:Mucocele / Q000601:surgery; D009297:Nasal Mucosa / Q000601:surgery; D013536:Suture Techniques