Neoplasms, Multiple PrimaryBone NeoplasmsOsteosarcomaLeg BonesFemoral NeoplasmsChondrosarcomaOsteosarcoma, JuxtacorticalFibulaSarcoma, EwingHistiocytoma, Benign FibrousLeukemoid ReactionBone TransplantationLimb SalvageBone and BonesChordomaHumerusReconstructive Surgical ProceduresTibiaProsthesis ImplantationFemurSoft Tissue NeoplasmsNeoplasms, Second PrimaryBone DiseasesProsthesis DesignFollow-Up StudiesTreatment OutcomeSkin NeoplasmsBone RemodelingRetrospective StudiesAdenomatosis, PulmonaryFractures, SpontaneousSurvival RateBone DensityGerm-Line MutationOsteoblastomaLi-Fraumeni SyndromeBone ResorptionPaget's Disease, MammaryGiant Cell Tumor of BoneCell Line, TumorMelanomaLung NeoplasmsSarcomaOsteochondromaNeoplastic Syndromes, HereditaryBone MarrowTumor Markers, BiologicalCurettageTomography, X-Ray ComputedGastrointestinal NeoplasmsGiant Cell TumorsDiphosphonatesChondromaBreast NeoplasmsColonic NeoplasmsBone Cysts, AneurysmalBone Marrow CellsNeoplasmsAdenocarcinomaGenes, p16Genes, p53Magnetic Resonance ImagingTumor Suppressor Protein p53Neoplasms, Bone TissueBone DevelopmentChondroblastomaCarcinoma, Squamous CellPancreatic NeoplasmsNeoplasm StagingTumor Necrosis Factor-alphaTumor BurdenRegistriesBone CystsPrognosisNeoplasms, ExperimentalHead and Neck NeoplasmsTime FactorsMutationDNA Mutational AnalysisFibrous Dysplasia of BoneIncidenceNeoplasm MetastasisGenetic Predisposition to DiseaseBone SubstitutesPedigreeWilms TumorSpinal NeoplasmsBone RegenerationRiskGenes, Tumor SuppressorRibsCarcinoid TumorKidney NeoplasmsBone MatrixBone Marrow TransplantationRisk FactorsNeuroendocrine TumorsExonsImmunohistochemistryProstheses and Implants