Table 1.

Baseline patient characteristics

	No. (%)
Total	66
Sex
Male	31 (48%)
Female	35 (52%)
Age, median (years)	58
KPS
90 – 100	39 (59%)
70 – 80	26 (39%)
≤ 60	1 (1%)
Oligometastatic*
Yes	36 (55%)
No	30 (45%)
Intrathoracic only disease*
Yes	33 (50%)
No	33 (50%)
Prior systemic therapy*
Yes	61 (92%)
No	5 (8%)
Courses of SBRT, median (range)
Histology**
Leiomyosarcoma	19 (29%)
Undifferentiated pleomorphic sarcoma	10 (15%)
Liposarcoma	7 (11%)
Osteosarcoma	7 (11%)
Synovial	5 (8%)
Other	18 (27%)

^*At time of first course of lung SBRT

^**Other disease histologies include: Ewing (n = 4), chondrosarcoma (n = 3), myxofibrosarcoma (n = 2), glomangiosarcoma (n = 2), epithelioid (n = 2), peripheral nerve sheath (n = 2), alveolar (n = 1), undifferentiated with epithelioid and myxoid features (n = 1), perivascular epithelioid cell Tumor (n = 1)