Table 1 Characteristics of the patients undergoing the first PM for lung metastases from RPS (n = 24)
Variables | Results |
|---|---|
Age (years) | |
Median (range) | 56 (36–70) |
Sex | |
Male | 4 (16.7%) |
Female | 20 (83.3%) |
Histological subtypes of primary RPS | |
Leiomyosarcoma | 19 (79.2%) |
Dedifferentiated liposarcoma | 3 (12.5%) |
Others | 2 (8.3%) |
Disease-free interval (months) | |
Median (range) | 16.8 (1.6–139.5) |
Extent of lung metastasis | |
Unilateral | 8 (33.3%) |
Bilateral | 16 (66.7%) |
Local recurrence and/or extrapulmonary metastasis with or before lung metastasis | |
Yes | 11 (45.8%) |
No | 13 (54.2%) |
Preoperative chemotherapy for lung metastasis | |
Yes | 9 (37.5%) |
No | 15 (62.5%) |
NLR immediately before the first PM | |
Median (range) | 2.32 (1.12–7.52) |
NLR immediately before the most recent PM | |
Median (range) | 2.30 (0.83–7.52) |