Carcinoma, Squamous CellCarcinomaLeukemia Virus, FelineImmunodeficiency Virus, FelineFeline Acquired Immunodeficiency SyndromeHead and Neck NeoplasmsCatsCat DiseasesMouth NeoplasmsCarcinoma, HepatocellularCalicivirus, FelineCoronavirus, FelineNeoplasms, Squamous CellEsophageal NeoplasmsCarcinoma in SituFeline PanleukopeniaCarcinoma, Basal CellSarcoma Viruses, FelineImmunohistochemistryFeline Infectious PeritonitisSkin NeoplasmsLaryngeal NeoplasmsFeline panleukopenia virusTongue NeoplasmsCarcinoma, PapillaryTumor Markers, BiologicalAdenocarcinomaPrognosisNeoplasm StagingLung NeoplasmsLiver NeoplasmsCell Line, TumorLeukemia, FelineNeoplasm InvasivenessGene Expression Regulation, NeoplasticOropharyngeal NeoplasmsUterine Cervical NeoplasmsCarcinoma, Ductal, BreastLymphatic MetastasisCarcinoma, Small CellTumor Cells, CulturedCarcinoma, BronchogenicCarcinoma, VerrucousCarcinoma, Transitional CellCarcinoma, AdenosquamousPrecancerous ConditionsCarcinoma, Adenoid CysticNeoplasm Recurrence, LocalPapillomavirus InfectionsNeoplasm ProteinsPapillomaviridaeVulvar NeoplasmsCarcinoma, Intraductal, NoninfiltratingNasopharyngeal NeoplasmsRetrospective StudiesLentivirus InfectionsCarcinoma, NeuroendocrineSurvival RateMouth MucosaImmunoenzyme TechniquesMice, NudeCarcinoma, MedullarySurvival AnalysisCisplatinDNA, NeoplasmHypopharyngeal NeoplasmsCarcinoma, LobularPharyngeal NeoplasmsNeoplasm MetastasisReverse Transcriptase Polymerase Chain ReactionAntineoplastic AgentsBreast NeoplasmsThyroid NeoplasmsTumor Suppressor Protein p53Combined Modality TherapyAntigens, NeoplasmNeoplasms, Multiple PrimaryRNA, MessengerTonsillar NeoplasmsKeratoacanthomaTreatment OutcomeCarcinoma, MucoepidermoidPapillomaKeratinsCarcinoma, Large CellKeratosis, ActinicNeoplasm TransplantationDisease ProgressionMolecular Sequence DataBase SequenceCell ProliferationCarcinoma, Non-Small-Cell LungCarcinoma, BasosquamousGenes, p53Neck DissectionStomach NeoplasmsCarcinoma, Merkel CellCell Transformation, NeoplasticDisease-Free SurvivalAnus Neoplasms