Summary of image assessment by radiologists. Average scores over all subjects are shown for each combined background suppression and breathing strategy (pair of bars), and for assessment of questions “Q1” pertaining to the appearance of artifacts, and “Q2” pertaining to overall image quality; scores are averages of both radiologists’ scores. (BH, F, and T refer to breathing strategy; ‘heavy’, ‘mod’, and ‘none’ refer to background suppression.) The most marked difference in scores is the low average scores for the scheme without any background suppression; a slight preference for timed breathing is also shown in its higher average scores.