Fig. 4
From: Different chest HRCT scan protocols change the extent of ground glass opacities
A A participant in supine position with ground glass opacities (GGO) in another typical localization in the lingular segment of left upper lobe, indicated with a circle. B Same participant in prone position, no GGO were present in the same area. C Same participant post-positive expiratory pressure (PEP), also no GGO were present in the same area. (All slices representing the same lung area by ocular evaluation)