FIGURE 3. Circumferential profile curves of 2 radiotracers used in protocols 1, 2, and 3. (A) ¹⁸F-FRP170 and ¹⁴C-IAP. (B) ¹⁸F-FRP170 and ¹²⁵I-BMIPP. (C) ¹⁸F-FRP170 and ¹⁴C-DG. ROIs were placed in serial order in midmyocardial layer of left ventricular wall. Sept. = septum; Post. = posterior; Lat. = lateral; Ant. = anterior.