Parameter IMRT Conventional p value Favors
Range Mean+SD Range Mean+SD
Minimum Maximum  Minimum Maximum    
CTV IMC D98% 44.5 Gy 53.3 Gy 47.7 ± 1.8  Gy 37.1 Gy 51.7 Gy 47.7 ± 3.5  Gy NS Equivocal
CTV IMC D2% 51.0 Gy 64.8 Gy 53.4 ± 2.8 Gy 52.0 Gy 67.9 Gy 56.5 ± 4.5  Gy p=0.01 IMRT
CTV IMC D50% 47.2 Gy 53.4 Gy 50.7 ± 1.4 Gy 50.0 Gy 57.2 Gy 52.4 ± 1.5  Gy p<0.001 IMRT
CTV IMC HI 0.1 0.29 0.1 ± 0.1 0 0.3 0.1  ± 0.1 p=0.02 IMRT
CTV IMC Dmean 48.4 Gy 54.7 Gy 50.9 ± 1.5 Gy 50.6 Gy 55.1 Gy 52.8 ± 1.1  Gy p<0.001 IMRT
CTV IMC V<95% 0.00% 33.00% 4.0 ± 7.7% 0.00% 8.40% 2.1 ± 2.8 % NS Equivocal
CTV IMC V>105% 0.00% 59.80% 19.6  ± 16.1% 8.00% 95.90% 64.2 ± 23.0 % p<0.001 IMRT
CTV IMC V>107% 0.00% 43.20% 8.1 ± 11.3% 0.00% 82.50% 39.5 ± 21.7 % p <0.001 IMRT
CTV AXL1D98% 45.2 Gy 50.4 Gy 49.0 ± 1.0 Gy 36.0 Gy 49.3 Gy 44.2 ± 2.9 Gy p<0.001 IMRT
CTV AXL1 D2% 49.3 Gy 57.2 Gy 55.0 ± 1.3 Gy 51.8 Gy 88.4 Gy 71.7 ± 10.8 Gy p<0.001 IMRT
CTV AXL1 D50% 47.3 Gy 53.4 Gy 51.6 ± 1.3 Gy 46.3 Gy 56.0 Gy 51.0 ± 2.0 Gy NS Equivocal
CTV AXL1 HI 0 0.2 0.1 ± 0.1 0.1 0.8 0.5 ± 0.2 p<0.001 IMRT
CTV AXL1Dmean 48.3 Gy 53.8 Gy 52.7 ± 0.7 Gy 47.5 Gy 55.8 Gy 52.1 ± 2.0 Gy NS Equivocal
CTV AXL1 V<95% 0.00% 15.70% 0.1 ± 0.1% 0.00% 47.80% 16.2 ± 13.3% p<0.001 IMRT
CTV AXL1 V>105% 0.00% 56.20% 39.3 ± 9.9% 4.90% 87.00% 34.5 ± 20.5% NS IMRT
CTV AXL1 V>107% 0.00% 41.70% 22.2 ± 10.8% 1.40% 78.60% 27.3 ± 18.1% NS IMRT
CTVAXL2 D98% 40.2 Gy 50.5 Gy 48.5 ± 2.1 Gy 40.1 Gy 50.6 Gy 46.0 ± 2.9 Gy p<0.005 IMRT
CTVAXL2 D2% 49.0 Gy 58.5 Gy 54.9 ± 1.30 Gy 56.3 Gy 88.2 Gy 69.5 ± 8.0Gy p<0.001 IMRT
CTVAXL2 D50% 48.3 Gy 54.8 Gy 51.7 ± 1.5Gy 49.0 Gy 57.1 Gy 53.7 ± 1.9Gy p<0.001 IMRT
CTVAXL2 HI 0 0.2 0.1 ± 0.1 0.1 0.8 0.3 ± 0.1 p<0.001 IMRT
CTVAXL2 Dmean 48.8 Gy 54.6 Gy 52.5 ± 1.4Gy 50.7 Gy 65.8 Gy 55.0 ± 2.9Gy p<0.001 IMRT
CTVAXL2 V<95% 0.00% 10.30% 0.8 ± .2.2% 0.00% 15.80% 5.3 ± 5.0% p<0.001 IMRT
CTVAXL2 V>105% 0.00% 87.00% 42.6 ± 21.4% 26.40% 90.50% 69.0 ± 15.7% p<0.001 IMRT
CTVAXL2 V>107% 0.00% 74.40% 23.4 ± 18.2% 16.90% 85.10% 60.3 ± 17.0% p<0.001 IMRT
CTVAXL3 D98% 46.2 Gy 50.6 Gy 48.8 ± 1.1Gy 32.5 Gy 50.6 Gy 44.1 ± 4.8Gy p<0.001 IMRT
CTVAXL3 D2% 50.1 Gy 58.1 Gy 54.6 ± 2.0Gy 55.2 Gy 74.1 Gy 62.4 ± 4.7Gy p<0.001 IMRT
CTVAXL3 D50% 49.0 Gy 56.7 Gy 52.2 ± 1.8 Gy 49.0 Gy 57.2 Gy 53.7 ± 1.8Gy p<0.001 IMRT
CTVAXL3 HI 0 0.1 0.1 ± 0.0 0.1 0.5 0.3 ± 0.1 p<0.001 IMRT
CTVAXL3 Dmean 49.5 Gy 55.2 Gy 52.4 ± 1.3Gy 50.8 Gy 57.2 Gy 54.2 ± 1.7Gy p<0.001 IMRT
CTVAXL3 V<95% 0.00% 8.30% 0.8 ± 1.9% 0.00% 22.90% 7.0 ± 5.9% p<0.001 IMRT
CTVAXL3 V>105% 0.00% 87.90% 39.0 ± 19.5% 41.60% 92.90% 73.0 ± 14.1% p<0.001 IMRT
CTVAXL3 V>107% 0.00% 79.40% 21.2 ± 17.4% 25.70% 91.10% 65.0 ± 16.5% p<0.001 IMRT
CTV CW D98% 45.1 Gy 50.1Gy 47.9  ± 1.3 Gy 16.5 Gy 41.7 Gy 29.2 ±  8.7 Gy p<0.001 IMRT
CTV CW D2% 51.7 Gy 58.4 Gy 55.8  ± 1.9 Gy 54.7 Gy 79.5 Gy 63.6 ±  7.1Gy p<0.001 IMRT
CTV CW D50% 49.7 Gy 53.7 Gy 51.9  ± 1.1 Gy 47.6 Gy 58.9 Gy 52.6 ±  2.4 Gy NS Equivocal
CTV CW HI 0.1 0.2 0.1  ±  0.0 0.3 1 0.6 ± 0.2 p<0.001 IMRT
CTV CW Dmean 49.7 Gy 53.9 Gy 52.3  ± 1.1 Gy 48.3 Gy 58.7 Gy 52.2 ±  2.0 Gy NS Equivocal
CTV CW V<95% 0.00% 12.30% 1.5  ±  3.1% 2.70% 20.10% 9.7 ± 4.1 % p<0.001 IMRT
CTV CW V>105% 5.20% 66.80% 46.2  ± 15.3% 33.30% 94.10% 65.1 ± 16.5 % p<0.001 IMRT
CTV CW V>107% 2.30% 53.10% 28.6  ± 13.9 % 19.70% 93.40% 48.4 ±  19.3 % p<0.001 IMRT
CTV SCF D98% 45.3 Gy 51.9 Gy 48.8 ± 1.8Gy 40.8 Gy 50.2 Gy 45.6 ± 2.4Gy p<0.001 IMRT
CTV SCF D2% 50.6 Gy 58.4 Gy 54.8 ± 2.0Gy 52.7 Gy 60.2 Gy 56.1 ± 1.9Gy p=0.034 IMRT
CTV SCF D50% 48.2 Gy 55.1 Gy 51.9 ± 1.6Gy 47.6 Gy 54.7 Gy 51.0 ± 2.0Gy NS Equivocal
CTV SCF HI 0.1 0.2 0.1 ± 0.04 0.1 0.3 0.2 ± 0.1 p<0.001 IMRT
CTV SCF Dmean 48.2 Gy 55.8 Gy 52.4 ± 1.6Gy 48.4 Gy 55.4 Gy 51.9 ± 1.7Gy NS Equivocal
CTV SCF V<95% 0.00% 13.20% 1.4 ± 3.2% 0.00% 58.20% 9.8 ± 5.9% p<0.001 IMRT
CTV SCF V>105% 0.00% 81.50% 39.8 ± 21.5% 10.90% 87.80% 50.2 ± 20.1% p=0.053 IMRT
CTV SCF V>107% 0.00% 58.50% 20.7 ± 15.7% 0.60% 82.60% 36.1 ± 21.8% p=0.003 IMRT
Table 2: Comparison of dose and volume parameters of CTV IMC, CTV AXILLA1, CTV AXILLA2 , CTVAXILLA3 CTV CW and CTV SCF by IMRT and conventional plan.