Sagittal (left) and coronal (right) view of fused SPECT/CT images on days 1 (a), 2 (b), and 7 (c) in an animal that demonstrated focal uptake in the anterior midventricular region of the heart. d to f, At the last imaging time point (days 5 to 8), an anterior apical region of MSC uptake (arrow) is shown in 3 representative animals in the coronal view. This more anterior apical distribution was present independent of whether an early focal hot spot was observed (yellow arrowhead, f only).