Hypopharyngeal NeoplasmsHypopharynxPharyngectomyLaryngeal NeoplasmsPharyngeal NeoplasmsLaryngectomyLarynxPharyngeal DiseasesCarcinoma, Squamous CellOropharyngeal NeoplasmsFree Tissue FlapsPharynxHead and Neck NeoplasmsEpiglottisNeck DissectionThyroid CartilageDeglutition DisordersLaryngoscopyMouth NeoplasmsDeglutitionSurgical FlapsExocrine GlandsCervicoplastyLaryngeal MucosaOrgan Sparing TreatmentsEsophageal Sphincter, UpperEndoscopyDose FractionationReconstructive Surgical ProceduresOropharynxNeoplasm StagingCombined Modality TherapyPlummer-Vinson SyndromeOtolaryngologyBeesRetrospective StudiesRadiotherapy DosageLaryngopharyngeal RefluxCisplatinNeoplasms, Second PrimaryOtorhinolaryngologic NeoplasmsPectoralis Muscles