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Flowchart shows clinical organ dose estimation framework used in this study. Rectangles indicate precomputed data; ovals represent data generated during computation; parallelograms represent calculation. h factors are CT dose index–to–organ dose conversion coefficients. TCM = tube current modulation, CTDIvol = volume CT dose index, WED = water equivalent diameter, DSF = dose spread function, XCAT = extended cardiac-torso phantom.
