LaryngectomyLarynx, ArtificialSpeech, AlaryngealLaryngeal NeoplasmsLarynxSpeech, EsophagealCutaneous FistulaPharyngeal DiseasesPharyngectomyVoice QualityHypopharyngeal NeoplasmsSalivary Gland FistulaAphoniaVoice DisordersGlottisFistulaPhonationLaryngeal DiseasesDeglutition DisordersPuncturesRespiratory Tract FistulaLaryngeal CartilagesProsthesis ImplantationCarcinoma, Squamous CellPharynxMastocytosis, SystemicTracheaVocal CordsEsophagusPharyngeal NeoplasmsTracheostomyLaryngoscopyRadiotherapy, AdjuvantSurgical StomasThyroid CartilageLaryngostenosisRetrospective StudiesPostoperative Complications