Abstract
Liposarcomas (LS) are one of the most common entities within the heterogenous group of soft tissue sarcomas. The aim of this study was to identify prognostic indicators in patients with LS of the extremities and truncal wall. We analysed the influence of potential prognostic factors on local recurrence-free survival (LRFS) and overall survival (OS) in 181 patients who were suitable for surgical treatment with curative intent. The median follow-up period was 7.1 years. The 5-year LRFS and OS rates were 79.1 and 93.3%. The 5-year OS rate was 94.7% in patients with R0-resected primary tumors and 72.7% in patients with R1/R2-status (p=0.023). In multivariate analysis, only histologic grade was found to be an independent prognostic factor of OS. Negative margins were not an independent prognostic factor in our series. Tumor biology reflected by histologic grade dictated the outcome.
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