Lung NeoplasmsCarcinoma, Non-Small-Cell LungNeoplasm StagingLungCarcinoma, Small CellLung DiseasesAdenocarcinomaSmall Cell Lung CarcinomaEarly Detection of CancerSmokingPrognosisCarcinoma, Squamous CellCell Line, TumorRetrospective StudiesSensitivity and SpecificityTumor Markers, BiologicalGene Expression Regulation, NeoplasticAntineoplastic AgentsSurvival Analysis