Skip to main content

Table 2 Baseline tumor and treatment characteristics

From: Outcomes after stereotactic body radiotherapy for lung tumors, with emphasis on comparison of primary lung cancer and metastatic lung tumors

 

Primary lung cancer

Metastatic lung tumor

Total

Number

172 tumors

57 tumors

229 tumors

Tumor diameter (cm)

  

2.2 (range: 0.9-4.7)

  ≤ 2.0

73 (42%)

27 (47%)

100 (43%)

  2.1-3.0

75 (43%)

23 (40%)

98 (42%)

  3.1-5.0

24 (13%)

7 (12%)

31 (13%)

Tumor appearance

   

  Mainly solid component

160 (93%)

57 (100%)

217 (94%)

  Mainly ground-glass opacity

12 (6%)

0 (0%)

12 (5%)

SUVmax on staging FDG-PET

  

5.9 (range: 0.6-22.8)

  < 5.9

53 (50%)

4 (57%)

57 (50%)

  ≥ 5.9

53 (50%)

3 (42%)

56 (50%)

Prescription dose

   

  BED10 ≤ 105 Gy

84 (48%)

12 (21%)

96 (41%)

  BED10 > 105 Gy

88 (51%)

45 (78%)

133 (58%)

Date of treatment

   

  2001-2005

76 (44%)

39 (68%)

115 (50%)

  2006-2011

96 (55%)

18 (31%)

114 (50%)

  1. Abbreviations: SUVmax maximum standardized uptake value, FDG-PET [18F]fluorodeoxyglucose positron emission tomography, BED10 biological effective dose calculated using α/β = 10.