Fig. 3From: Comparison of reader agreement, correlation with liver biopsy, and time-burden sampling strategies for liver proton density fat fraction measured using magnetic resonance imaging in patients with obesity: a secondary cross-sectional studyVisual representation of the sampling strategies of 4S region-of-interest (ROI) and 4L-ROI (yellow circle) at the whole-liver level placed by the readers on proton density fat fraction mapsBack to article page