LaryngectomyLarynx, ArtificialSpeech, AlaryngealLaryngeal NeoplasmsSpeech, EsophagealCutaneous FistulaPharyngeal DiseasesPharyngectomyVoice QualitySalivary Gland FistulaAphoniaHypopharyngeal NeoplasmsLarynxVoice DisordersFistulaGlottisPuncturesRespiratory Tract FistulaDeglutition DisordersPhonationProsthesis ImplantationLaryngeal DiseasesLaryngeal CartilagesPharynxCarcinoma, Squamous CellEsophagusTracheaCricoid CartilageRadiotherapy, AdjuvantSurgical StomasTracheostomyThyroid CartilageRetrospective StudiesPostoperative ComplicationsEpiglottisLaryngostenosis