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. 2018 Sep 26;31(5):298–310. doi: 10.1089/jamp.2017.1403

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Copyright 2018, Mary Ann Liebert, Inc., publishers

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FIG. 1. — The conventional approach to drawing 2D ROIs for scintigraphy images involves drawing the boundary of the right lung by hand and then an algorithm is used to identify the central region.^(5,6) 2D, two-dimensional; L, left lung; R, right lung; ROIs, regions of interest.