Fig. 3From: To propose adding index of achievement (IOA) to IMRT QA processScatter plots of relationship between the IOA and the gamma pass rate (%) for the global normalization with regard to direction of displacement: for 8 head and neck cases along (a) the lateral and (b) the longitudinal directions, and 5 prostate cases along (c) the lateral and (d) the longitudinal directionsBack to article page