FIGURE 1.  In these images of patient 3, CT transaxial slice through tumor site (top) shows massive tumor in left pelvis, and ¹⁸⁶Re-HEDP posttherapy whole-body scan (bottom) shows heterogeneous but intense uptake at tumor site in both posterior (left) and anterior (right) views. In addition, metastases are noted in right lung field, L4 vertebra, and left ribs posteriorly.