-50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 1.03 1.87 1.9 2.84 4.78 12.02 50.2 93 100.19 100.12 100 99.59 98.68 94.37 67.12 19.13 6.51 2.93 2.38 1.87 1.85 3.01 3.53 3.97 4.49 5.32 7.37 47.84 99.39 100.74 100.44 100.00 99.65 99.00 96.90 44.70 7.28 5.32 4.58 4.06 3.58 3.10 -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 1.83 2.55 2.82 3.37 3.71 4.36 4.85 6.61 10.25 25.45 79.05 108.59 111.69 111.59 110.35 108.99 107.33 105.6 103.94 101.19 99.98 99.28 98.76 98.32 97.72 96.96 96.11 94.97 93.17 88.98 70.98 22.68 9.09 5.97 5 4.13 3.34 3.29 2.65 2.35 Radiol Oncol 2010; 44(3): 199-206. 200 Petrovic B et al. / Verification of EDW in three ways TABLE 1. EDW profile measurements CA 24 in build up versus EPID 4x4 cm2, 15deg ( field edge 2 cm) Position of detector in relation CA 24 EPID to Central axis (mm) 10x10 cm2, 30deg (field edge 5 cm) Position of detector in relation CA 24 to Central axis (mm) 15x15 cm2, 45deg (field edge 7.5 cm) Position of detector in relation CA 24 to Central axis (mm) 20x20 cm2, 60deg, (field edge 10 cm) Position of detector in relation CA 24 to Central axis (mm) -140 -135 -130 -125 -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 6.98 7.76 8.67 9.87 11.56 14.08 21.05 65.42 160.61 185.95 186.12 181.62 176.63 171.42 166.64 161.35 156.44 151.61 146.82 141.25 136.55 131.67 127.09 122.26 117.6 112.98 108.93 103.32 99.93 96.96 94.28 91.59 89.04 86.52 83.75 81.32 78.55 76.2 73.56 70.96 EPID 16.08 17.06 18.67 20.40 22.07 24.09 25.99 30.55 92.80 166.63 166.80 164.32 160.58 156.95 152.97 149.40 145.25 141.50 137.41 133.43 129.28 125.48 121.50 117.46 113.55 110.32 106.80 103.23 100.00 97.06 94.41 91.76 89.16 86.63 84.44 82.19 79.71 77.46 74.99 72.62 EPID 6.17 6.78 7.47 8.27 9.20 10.13 11.14 12.39 13.92 16.75 52.91 107.10 108.19 107.67 106.74 105.73 104.52 103.27 102.38 101.13 100.00 99.19 98.43 97.38 96.61 95.88 95.04 93.95 92.74 90.27 38.82 14.97 12.63 11.22 10.21 9.20 8.31 7.59 6.86 6.13 -120 -115 -110 -105 -100 -95 -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 3.86 4.33 5.13 5.66 6.31 7.37 9.49 14.53 39 107.34 130.84 133.61 132.46 130.4 127.98 125.24 122.26 119.87 117.16 113.98 111.23 108.43 105.69 102.07 99.91 98.5 97.11 95.96 94.61 93.34 91.98 90.57 89.04 87.5 85.97 84.05 82.11 79.78 76.51 63.15 EPID 10.00 10.87 11.87 13.18 14.49 15.71 17.28 19.16 22.52 59.80 124.18 125.23 124.01 122.30 120.69 118.90 116.85 114.80 112.61 110.34 108.03 106.11 104.02 101.92 100.00 98.43 97.03 95.37 93.98 92.84 91.58 90.22 88.83 87.47 85.68 84.20 82.15 80.18 76.87 34.00