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Table 1 Patient and tumor characteristics

From: Clinical efficacy of stereotactic ablative radiotherapy for lung metastases arising from colorectal cancer

Variables No. of patients (%)
Age (years)
 Median 65
 Range 30–82
ECOG performance score
 0 6 (12.0)
 1 34 (68.0)
 2 10 (20.0)
Timing of SABR
 Synchronous 11 (22.0)
 1st recurrence 22 (44.0)
 2nd recurrence 14 (28.0)
 3rd recurrence 3 (6.0)
Previous Chemotherapy before SABR
 Yes 32 (64.0)
 No 18 (36.0)
Reason for SABR
 Inoperable 32 (64.0)
 Other 18 (36.0)
GTV (mL)
 Median 1.5
 Range 0.2–34.8
Prescription dose
 40 Gy / 4 fx 1 (1.3)
 48 Gy / 4 fx 55 (69.6)
 60 Gy / 4 fx 20 (25.3)
 60 Gy / 3 fx 3 (3.8)
  1. ECOG Eastern Cooperative Oncology Group, SABR stereotactic ablative body radiotherapy, GTV gross tumor volume, fx fraction