Neck PainHead and Neck NeoplasmsCarcinoma, Squamous CellCarcinomaNeckSurgery, OralCarcinoma, HepatocellularLaryngeal NeoplasmsStomatitisCombined Modality TherapyHypopharyngeal NeoplasmsCisplatinRadiotherapyLaryngectomyRadiation-Sensitizing AgentsImmunohistochemistryCarcinoma in SituPrognosisNeoplasm StagingRadiotherapy DosageNeoplasm Recurrence, LocalCell Line, TumorCarcinoma, PapillaryTreatment OutcomeTumor Cells, CulturedLymphatic MetastasisSurvival AnalysisRetrospective StudiesGene Expression Regulation, NeoplasticAntineoplastic AgentsSurvival RateLiver NeoplasmsCarcinoma, Ductal, BreastCarcinoma, Basal CellFluorouracilAntineoplastic Combined Chemotherapy Protocols