Siewert, J R [Surgical therapy of retroperitoneal soft tissue sarcomas]. [electronic resource] - Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen Jul 1993 - 527-34 p. digital Publication Type: Journal Article; Review ISSN: 0009-4722 Subjects--Topical Terms: AdultAgedCombined Modality TherapyFemaleFollow-Up StudiesHumansMaleMiddle AgedNeoplasm StagingRetroperitoneal Neoplasms--mortalitySarcoma--mortalitySoft Tissue Neoplasms--mortalitySurvival Rate