Primary Retroperitoneal Sarcomas

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Abstract
A retrospective study of 36 patients with primary retro-peritoneal sarcomas treated at The Norwegian Radium Hospital is presented. The median age at presentation was 57 years. The most common presenting symptom was abdominal pain. Leiomyosarcoma and liposarcoma were the most common histologic subtypes. The median survival in the whole series was 25 months. Patients with completely resected tumors had a longer median survival (59 months) than patients with incomplete resection (16 months) but the difference was not statistically significant. The malignancy grade seemed to be the most important prognostic factor and patients with low grade tumors had a significantly better outlook than those with high grade tumors.