title: The problem stoma.
mesh_terms: D002921:Cicatrix / Q000628:therapy; D006801:Humans; D007627:Keloid / Q000628:therapy; D007825:Laryngectomy / Q000295:instrumentation*; D008722:Methods; D011183:Postoperative Complications / Q000628:therapy; D012826:Silicone Elastomers; D014140:Tracheotomy / Q000295:instrumentation*
chemical_list: D012826:Silicone Elastomers