Figure 2From: Fast IMRT by increasing the beam number and reducing the number of segmentsSegments of 2-Step Fast 30*. 2-Step Fast 30* segments for the Quasimodo phantom. Upper row: gantry angles. Lower row: Segment type. For three S0, S1, S2 segments the projection of PTV (red contour) and OAR (green contour) is shown.Back to article page