|
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)
|
