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Table 4 Fractionation regimens

From: Radiosurgery and fractionated stereotactic body radiotherapy for patients with lung oligometastases

Fractions and PTV- encompassing single dose

No. of LM (%)

BED (Gy)

EQD2 (Gy)

1 x 22 Gy

2 (2.1)

70.4

58.7

1 x 24 Gy

20 (21.3)

81.6

68.0

1 x 25 Gy

12 (12.8)

87.5

72.9

1 x 26 Gy

5 (5.3)

93.6

78.0

3 x 12.5 Gy

3 (3.2)

84.4

70.3

3 x 15 Gy

8 (8.5)

112.5

93.8

3 x 16 Gy

9 (9.6)

124.8

104.0

4 x 12 Gy

8 (8.5)

105.6

88.0

4 x 9.6 Gy

9 (9.6)

75.3

62.7

5 x 8 Gy

2 (2.1)

72.0

60.0

other regimens

16 (17.0)

  
  1. LM lung metastases, PTV planning target volume, BED biologically effective dose, EQD2 equivalent dose