Table 1.
Clinical characteristics of patients with DDLPS.
| Features | Total (n = 108)a |
|---|---|
| Male sex, n (%) | 75 (69.4) |
| Age at diagnosis ± std (y) | 62.7 ± 12.7 |
| Primary site, n (%) | |
| Retroperitoneum or abdomen | 79 (73.1) |
| Extremity | 25 (23.1) |
| Chest wall or back | 4 (3.7) |
| Tumor size, n (%) | |
| 10 cm ≥ | 25 (23.6) |
| 10 cm < | 81 (76.4) |
| Unknown | 2 (−) |
| Local treatment, n (%) | |
| Surgery only | 97 (89.8) |
| Surgery with adjuvant radiation | 9 (8.3) |
| Radiation | 1 (0.9) |
| Heavy ion | 1 (0.9) |
| Surgical margin, n (%) | |
| R0 | 40 (37.7) |
| R1 | 58 (54.7) |
| R2 | 3 (2.8) |
| RX | 5 (4.9) |
| Not applicable | 2 (−) |
aClinical information from 108 of 115 patients was available for the current study