Cell Transformation, NeoplasticDog DiseasesImmunohistochemistryFatal OutcomeLymphomaTumor Cells, CulturedHistiocytic SarcomaCat DiseasesLymphoma, T-CellNeoplasmsReed-Sternberg CellsVimentinHodgkin DiseaseHistiocytesNeoplasms, ExperimentalNeoplastic Cells, CirculatingTumor Markers, BiologicalCell DivisionDogsAdenocarcinomaImmunoenzyme TechniquesSkin NeoplasmsAntigens, NeoplasmLeukemia, LymphoidGene Expression Regulation, NeoplasticNeoplasm ProteinsLymphoma, B-CellCell LineLymphoma, Large B-Cell, DiffuseEuthanasiaNeoplasm TransplantationLeukemia, Hairy CellLymphoma, Large-Cell, AnaplasticAntibodies, MonoclonalHemangiosarcomaLymphoma, Non-HodgkinKeratinsDNA, NeoplasmLeukemiaS100 ProteinsSarcoma, ExperimentalCarcinomaNeoplasm InvasivenessCarcinoma, NeuroendocrineLung NeoplasmsBrain NeoplasmsImmunophenotypingHedgehogsHistocytochemistryMelanomaLymph NodesRodent DiseasesCell Line, TumorFibrosarcomaClone CellsB-LymphocytesAntigens, CD30Monkey DiseasesHorse DiseasesRNA, MessengerContact InhibitionSplenic NeoplasmsMesenchymomaFlow CytometryIntestinal NeoplasmsAnimals, ZooColonic NeoplasmsPrecancerous ConditionsNeoplastic ProcessesApoptosisCarcinoma, Squamous CellNeuroectodermal TumorsMicroscopy, ElectronMastocytosis, SystemicAstrocytomaBreast NeoplasmsNeuroectodermal Tumors, Primitive, PeripheralPlasmacytomaNeoplasm MetastasisNeoplasms, NeuroepithelialMyoepitheliomaNeoplasms, Muscle TissueKi-67 AntigenLeukemia, Lymphocytic, Chronic, B-CellAntineoplastic AgentsStaining and LabelingPolymerase Chain ReactionLymphoma, Large-Cell, ImmunoblasticCamelids, New WorldNeutral GlycosphingolipidsReceptors, Antigen, B-CellAntigens, CDBiopsyPancreatic NeoplasmsSezary SyndromeMammary Neoplasms, ExperimentalMycosis FungoidesAdenoma, PleomorphicMesotheliomaImmunoblastic Lymphadenopathy