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Clinicopathologic features of 353 patients with primary leiomyosarcoma
| Patient Characteristic | N | % of Total |
|---|---|---|
| Age, years, median (range) | 57 (18–88) | |
| Sex | ||
| Female | 157 | 44 |
| Male | 196 | 56 |
| Site | ||
| Extremity | 170 | 48 |
| Abdominal/RP | 144 | 41 |
| Trunk | 39 | 11 |
| Grade | ||
| High | 265 | 75 |
| Low | 88 | 25 |
| Size,a cm, median (range) | 6.0 (0.3–45) | |
| Depth | ||
| Deep | 257 | 73 |
| Superficial | 96 | 27 |
| Margin | ||
| Negative (R0) | 289 | 82 |
| Microscopically positive (R1) | 52 | 15 |
| Grossly positive (R2) | 12 | 3 |
size unknown in 4 patients
