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Table 1 Metrics recorded from DVHs

From: IMRT sparing of normal tissues in locoregional treatment of breast cancer

Treatment planning metrics
PTV
V47.5 97.6% ± 1.5%
V53.5 5.9% ± 6.8%
Ipsilateral lung
Mean dose 10.2Gy ± 1.1Gy
V5 49.8% ± 10.4%
V20 16% ± 3.4%
Controlateral lung
Mean dose 5.3Gy ± 0.6Gy
V5 43.7% ± 8.9%
V20 0.5% ± 1.2%
Controlateral breast
Mean dose 4.0Gy ± 0.8Gy
V5 30.3% ± 15.7%
V10 2.3% ± 4.1%
Heart Right side Left side
Mean dose 7.8Gy ± 1.1Gy 8.0Gy ± 1.2Gy
V25 1.9% ± 1.4%* 3.7% ± 1.9%*
LAD artery Right side Left side
Dose max 33.3Gy ± 13.3Gy 26.7Gy ± 15.7Gy
Median dose 13.3Gy ± 5.6Gy 10.8Gy ± 7.8Gy
RCA artery Right side Left side
Dose max 30.3Gy ± 8.6Gy 27.0Gy ± 12.4Gy
Median dose 14.0Gy ± 4.9Gy 12.4Gy ± 5.7Gy
LCx artery Right side Left side
Dose max 8.6Gy ± 4.4Gy 8.8Gy ± 3.2Gy
Median dose 4.4Gy ± 1.5Gy 4.5Gy ± 1.7Gy
  1. Vx = Volume of target/normal tissue receiving at least x Gy. Values reported are average ± standard deviation of metrics recorded.
  2. LAD: left anterior descending artery, RCA: right coronary artery, LCx: left circumflex artery.
  3. * Comparison of means significantly different between the right and left side treated. t-test, p = 0.01.