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Three methods of segmentation were used in our study. A) The entire myocardium segment. B) Three vascular segments of the heart (LAD, RCA, and LCX), and C) subsets of 17 polar segments of the heart grouped into LAD, LCX, and RCA.
LAD, left anterior descending; RCA, right coronary artery; LCX, left circumflex artery.
