Herpesvirus 4, HumanAdenocarcinomaLymphomaBiopsyLymphoma, B-CellLymphoma, Non-HodgkinLymphoma, T-CellLymphoma, Large B-Cell, DiffuseLymphoma, FollicularBurkitt LymphomaBiopsy, NeedleLymphoma, B-Cell, Marginal ZoneLymphoma, Mantle-CellLymphoma, T-Cell, CutaneousAdenocarcinoma, MucinousLung NeoplasmsLymphoma, AIDS-RelatedLymphoma, T-Cell, PeripheralLymphoma, Large-Cell, AnaplasticEsophageal NeoplasmsStomach NeoplasmsPancreatic NeoplasmsImmunohistochemistryBarrett EsophagusAdenocarcinoma, PapillaryCarcinoma, Pancreatic DuctalAdenocarcinoma, Bronchiolo-AlveolarHodgkin DiseaseTumor Markers, BiologicalPrognosisNeoplasm StagingCardiaLymphoma, Large-Cell, ImmunoblasticCell Line, TumorGene Expression Regulation, NeoplasticColonic NeoplasmsRetrospective StudiesVincristineAntineoplastic Combined Chemotherapy ProtocolsTreatment OutcomeTumor Cells, CulturedIntestinal NeoplasmsFatal OutcomeAntibodies, Monoclonal, Murine-DerivedPrednisoneImmunoenzyme TechniquesNeoplasms, Multiple PrimarySurvival RateDNA, NeoplasmEsophagogastric JunctionBiopsy, Fine-NeedleAntineoplastic AgentsAntigens, CD20Survival AnalysisTranslocation, GeneticDoxorubicinAntibodies, MonoclonalProstatic NeoplasmsPolymerase Chain ReactionCyclophosphamidePrecancerous ConditionsCarcinoma, Squamous CellNeoplasm ProteinsLymph NodesCombined Modality TherapyLymphoma, Extranodal NK-T-CellImage-Guided BiopsyKeratin-7Endometrial NeoplasmsDisease ProgressionBiopsy, Large-Core NeedleNose NeoplasmsTomography, X-Ray ComputedChromosomes, Human, Pair 14Chromosomes, Human, Pair 18ImmunophenotypingNeoplasm InvasivenessDuodenal NeoplasmsGastrointestinal NeoplasmsAntigens, NeoplasmRNA, MessengerIn Situ Hybridization, FluorescenceDisease-Free SurvivalReverse Transcriptase Polymerase Chain ReactionAntigens, CD30B-LymphocytesMetaplasiaTissue Array AnalysisFollow-Up StudiesTime FactorsNeoplasm TransplantationGene Expression ProfilingMutationSensitivity and SpecificityGene RearrangementCecal NeoplasmsIleal NeoplasmsSkin NeoplasmsCell Transformation, NeoplasticApoptosis