Table 1 Local recurrence in relation to surgical margins and tumor location
From: Survival and prognostic factors in conventional G1 chondrosarcoma
Local recurrence | No | Yes | p value | 5-year LRFS (%) | 10-year LRFS (%) | 15-year LRFS (%) | p value |
|---|---|---|---|---|---|---|---|
R0 | 22 (96%) | 1 (4%) | 0.037 | 100 | 92 | 92 | 0.035 |
R1 | 10 (71%) | 4 (29%) | 90 | 79 | 54 | ||
Upper extremity | 4 (100%) | 0 (0%) | 0.097 | 100 | 100 | 100 | 0.238 |
Lower extremity | 18 (78%) | 5 (22%) | 94 | 71 | 60 | ||
Pelvis | 5 (100%) | 0 (0%) | 100 | 100 | 100 | ||
Trunk | 5 (100%) | 0 (0%) | 100 | 100 | 100 |