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Table 5 Summary of lung dose and critical organs for anatomic and functional treatment plans among 11 thoracic cancer patients

From: IMRT treatment plans and functional planning with functional lung imaging from 4D-CT for thoracic cancer patients

Metric Anatomic planning Functional planning
Total lung
 V5 (%) 42.77 ± 16.97 36.97 ± 17.05
 V20(%) 20.44 ± 6.99 18.12 ± 8.11
 MLD (Gy) 11.24 ± 4.03 10.19 ± 4.36
20% Functional lung
 V5 (%) 34.76 ± 19.21 28.61 ± 19.45
 V20(%) 15.22 ± 8.59 12.57 ± 8.85
 MLD (Gy) 8.61 ± 4.35 7.38 ± 4.59
Heart
 V40 (%) 16.75 ± 15.05 21.87 ± 23.12
 Mean dose (Gy) 16.7 ± 12.78 17.31 ± 13.95
Spinal cord
 Maximun (Gy) 41.58 ± 5.73 43.31 ± 4.5
Esophagus
 V35 (%) 20.36 ± 16.14 24.15 ± 17.36
 V50 (%) 11.57 ± 16.95 11.57 ± 16.96
 Mean dose (Gy) 15.34 ± 9.23 16.22 ± 9.31
  1. Abbreviations:
  2. VX(%): volume of an OAR receiving X Gy; MLD: Mean lung dose; Data presented as mean ± standard deviation.