Treatment of Sarcoma Lung Metastases with Stereotactic Body Radiotherapy

Table 1

Patient characteristics.

Number of patients	44
Number of lesions treated	117
Age (range)	67 (19–91)
Primary tumor histology
UPS/MFH	21
Leiomyosarcoma	5
Synovial sarcoma	5
Ewings	2
Hemangiopericytoma	2
Myxofibrosarcoma	2
Spindle cell sarcoma	2
Chondrosarcoma	1
Clear cell chondrosarcoma	1
Dedifferentiated chondrosarcoma	1
Dedifferentiated liposarcoma	1
Osteosarcoma	1
Primary tumor location
Extremity	36 (82%)
Pelvis	4 (9%)
Other	4 (9%)
Primary tumor grade
Low	4 (9%)
Intermediate	7 (16%)
High	33 (75%)
Prior chemotherapy
Yes	23 (52%)
No	21 (48%)
Prior thoracic surgery
Yes	17 (39%)
No	27 (61%)
Extrathoracic disease
Yes	16 (36%)
No	28 (64%)
Median number of mets treated (range)	2 (1–7)