title: Surgery possibilities for laryngeal and hypopharyngeal carcinomas after treatment with high-energy betatron electrons.
mesh_terms: D005500:Follow-Up Studies; D006801:Humans; D007822:Laryngeal Neoplasms / Q000532:radiotherapy* / Q000601:surgery*; D010610:Pharyngeal Neoplasms / Q000532:radiotherapy* / Q000601:surgery*; D011379:Prognosis; D011882:Radiotherapy, High-Energy