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Table 1 Treatment data

From: Stereotactic body radiotherapy for adenoid cystic carcinoma metastatic to the lung: a case report

Treatment number

1st

2nd

3rd*

Tumor location

Right upper lung lobe

Right lower lung lobe

Left lower lung lobe

Tumor volume (cc)

18.5

13.0

12.5

No. of beams

65

71

90

Conformity index

1.09

1.33

1.18

Homogeneity index

1.45

1.54

1.61

Prescribed dose for D95 (Gy)

60

60

60

Prescribed dose for D95 (Gy(EQD2))

80

80

80

Dmax (Gy)

87.0

92.3

96.8

V20 for lung (%)

4.9

3.2

2.6

  1. *In the third treatment, the treatment dose was prescribed for the planning target volume (PTV). PTV had margins of 2 mm added around the gross tumor volume