Table 1 Baseline characteristics of patients and tumors in 319 patients with primary retroperitoneal sarcoma
Characteristics | Number (n = 319) | % |
|---|---|---|
Gender | ||
Male | 162 | 50.8 |
Female | 157 | 49.2 |
Age > 65 years | ||
Yes | 73 | 22.9 |
No | 246 | 77.1 |
ASA score | ||
1 | 216 | 67.7 |
> 1 | 103 | 32.3 |
Symptoms | ||
Yes | 138 | 43.3 |
No | 181 | 56.7 |
Tumor burden > 10 cm | ||
Yes | 224 | 70.2 |
No | 95 | 29.8 |
Histologic subtypes | ||
WDLPS | 122 | 38.2 |
DDLPS | 80 | 25.1 |
LMS | 52 | 16.3 |
SFT | 25 | 7.8 |
Others | 40 | 12.5 |
UPS | 16 | 5.0 |
MLPS | 14 | 4.4 |
MPNST | 7 | 2.2 |
PLPS | 3 | 0.9 |
FNCLCC | ||
Grade 1 | 113 | 35.4 |
Grade 2 | 104 | 32.6 |
Grade 3 | 91 | 28.5 |
Unknown | 11 | 3.4 |
Location | ||
Left | 160 | 50.2 |
Right | 159 | 49.8 |
Multifocality | ||
Yes | 31 | 9.7 |
No | 288 | 90.3 |
Radiation | ||
Yes | 25 | 7.8 |
No | 294 | 92.2 |
Chemotherapy | ||
Yes | 35 | 11.0 |
No | 284 | 89.0 |