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Table 2 Radiation parameters and treatment characteristics

From: Analysis of using high-precision radiotherapy in the treatment of liver metastases regarding toxicity and survival

  Median Minimum Maximum
PTV (ml) 116.8 6.2 3707.6
GTV (ml) 30.5 0.5 691.7
TD (Gy) 35.0 12.0 60.0
SD (Gy) 7.0 2.5 20.0
Fractions 5.0 2.0 16.0
Isodose (%) 60.0 60.0 100.0
PTV-Dmax 56.0 23.1 94.2
PTV-D2% 59.5 24.2 93.3
PTV-D50% 52.3 21.8 73.9
PTV-D98% 39.3 9.8 55.1
GTV-D50% 57.7 23.0 85.3
BED10 59.5 19.2 180.0
  1. PTV = planning target volume; GTV = gross tumor volume; TD = total dose; SD = single dose; BED = biological equivalent dose