Histiocytoma, Benign FibrousHistiocytoma, Malignant FibrousHistiocytomaAntineoplastic Combined Chemotherapy ProtocolsSoft Tissue NeoplasmsChemotherapy, AdjuvantSarcomaHistiocytic SarcomaSkull NeoplasmsRetroperitoneal NeoplasmsLiposarcomaFemoral NeoplasmsCombined Modality TherapyBone NeoplasmsAngiomatosisTreatment OutcomeMyxosarcomaFatal OutcomeAntineoplastic AgentsCisplatinVascular NeoplasmsPiezosurgeryHeart NeoplasmsGenital Neoplasms, MaleOsteosarcomaDog DiseasesCyclophosphamideDoxorubicinImmunohistochemistryTracheobronchomegalyNeoplasm Regression, SpontaneousNeoplasm Recurrence, LocalTomography, X-Ray ComputedGiant Cell TumorsThighSkin NeoplasmsPrognosisOrbital NeoplasmsMaxillary Sinus NeoplasmsFibromaHistiocytesSurvival RateLung NeoplasmsNeoadjuvant TherapyDermatofibrosarcomaDisease-Free SurvivalMediastinal NeoplasmsEtoposideBreast NeoplasmsNeoplasms, Multiple PrimaryCystadenocarcinomaNeoplasm StagingSurvival AnalysisLeiomyosarcomaNeoplasm MetastasisChondrosarcomaFollow-Up StudiesDrug Administration ScheduleNeoplasms, Radiation-InducedMethotrexateNeoplasms, Second PrimarySpinal NeoplasmsCarboplatin