Carcinoma, Basal CellCarcinoma, Squamous CellSkin NeoplasmsBasal Cell Nevus SyndromeCarcinomaHead and Neck NeoplasmsCarcinoma, Renal CellEyelid NeoplasmsCarcinoma, HepatocellularMohs SurgeryFacial NeoplasmsNeckImmunohistochemistryHeadNeoplasms, Basal CellCarcinoma in SituCarcinoma, Transitional CellKeratosisKidney NeoplasmsCarcinoma, PapillaryDNA DamageDermoscopyMouth NeoplasmsCarcinoma, Merkel CellTumor Markers, BiologicalSkinKeratosis, ActinicBowen's DiseaseSunlightKeratoacanthomaCarcinoma, Small CellKeratosis, SeborrheicLiver NeoplasmsGene Expression Regulation, NeoplasticNeoplasm InvasivenessEsophageal NeoplasmsCarcinoma, BasosquamousHedgehog ProteinsPrognosisCell Line, TumorKeratin-14KeratinsCarcinoma, Ductal, BreastNeoplasms, Multiple PrimaryAdenocarcinomaKeratinocytesNeoplasm StagingKeratin-15Jaw CystsAminolevulinic AcidNeoplasm Recurrence, LocalLung NeoplasmsPhotochemotherapyRetrospective StudiesSkin PigmentationChromosomes, Human, Pair 9Tumor Cells, CulturedUltraviolet RaysCarcinoma, Signet Ring CellNeck PainCarcinoma, Adenoid CysticPrecancerous ConditionsNeoplasms, Radiation-InducedPhotosensitizing AgentsAntineoplastic AgentsReceptors, Cell SurfaceLaryngeal NeoplasmsTreatment OutcomeBiopsyRNA, MessengerImmunoenzyme TechniquesCarcinoma, BronchogenicNeoplasm ProteinsEpidermisCarcinoma, Giant CellBetapapillomavirusUrinary Bladder NeoplasmsMedulloblastomaLymphatic MetastasisOrbit EviscerationTumor Suppressor Protein p53DNA, NeoplasmNose NeoplasmsAminoquinolinesCarcinoma, Intraductal, NoninfiltratingCarcinoma, NeuroendocrineReverse Transcriptase Polymerase Chain ReactionCarcinoma, MedullaryTongue NeoplasmsHair FollicleCarcinoma, Skin AppendageMelanomaNasopharyngeal NeoplasmsNeoplasm MetastasisMutationCell ProliferationThyroid NeoplasmsBreast NeoplasmsTime FactorsKi-67 Antigen