SerpinsAntigens, NeoplasmCarcinoma, Squamous CellKeratin-19Tumor Markers, BiologicalUterine Cervical NeoplasmsCarcinoembryonic AntigenPhosphopyruvate HydrataseCarcinoma, Small CellCarcinomaLung NeoplasmsPrognosisHead and Neck NeoplasmsSensitivity and SpecificityMouth NeoplasmsCarcinoma, Basal CellEsophageal NeoplasmsCarcinoma, Renal CellCarcinoma, HepatocellularSmall Cell Lung CarcinomaSkin NeoplasmsAdenocarcinomaImmunohistochemistryTongue NeoplasmsLaryngeal NeoplasmsNeoplasms, Squamous CellCarcinoma in SituAntigensNeoplasm Staging