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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