Tracheostomy closure and scar revisions.
D002921:Cicatrix / Q000601:surgery*; D005402:Fistula / Q000601:surgery; D006406:Hematoma / Q000209:etiology; D006801:Humans; D008722:Methods; D011183:Postoperative Complications; D013518:Surgery, Plastic; D013530:Surgical Wound Infection; D014140:Tracheotomy / Q000009:adverse effects*