Carcinoma, NeuroendocrineCarcinoma, Large CellLung NeoplasmsCarcinoma, Small CellCarcinoma, Non-Small-Cell LungNeuroendocrine TumorsCommon Bile Duct NeoplasmsAmpulla of VaterSmall Cell Lung CarcinomaFatal OutcomeCarcinoid TumorImmunohistochemistryCarcinoma, Squamous CellAdenocarcinomaTumor Markers, BiologicalPrognosisCarcinomaNeoplasm StagingAntineoplastic AgentsCell Line, TumorGenes, p16Tomography, X-Ray ComputedReceptor, Epidermal Growth FactorQuinazolinesBiopsyAntineoplastic Combined Chemotherapy ProtocolsSurvival RateCarcinoma, HepatocellularCarcinoma, Merkel CellNeoplasms, Multiple PrimaryNeurosecretory SystemsMyosarcomaRetrospective StudiesLungChromograninsNeuroendocrine CellsNeoplasms, Complex and MixedSynaptophysinLiver NeoplasmsChromogranin ANeoplasms, MesothelialTumor Cells, CulturedCarcinoma in SituEtoposideBronchial NeoplasmsPancreatic NeoplasmsCarcinoma, PapillaryGastrointestinal NeoplasmsTreatment OutcomeThymus NeoplasmsCisplatinLaryngeal NeoplasmsGastrin-Releasing PeptideParanasal Sinus NeoplasmsCarcinoma, Medullary