Long-term outcome after local recurrence of soft tissue sarcoma: a retrospective analysis of factors predictive of survival in 135 patients with locally recurrent soft tissue sarcoma.

However, the surgical margin status attained by definitive resection of the recurrent tumour influenced PRS and survival after the final surgical treatment ( Figure 1F , Figure 2 , Table 4 ); microscopically negative margin status was associated with better PRS compared with positive margin status (5-year PRS: 56.2% (44.3–66.5) vs 50.8% (37.5–62.7)), although this survival distribution failed to reach statistical significance in the univariate analysis, and a borderline P- value was attained ( P =0.059).

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