Lobulated, mildly enhancing confluent masses in the right subdiaphragmatic/perihepatic space extending behind the IVC/caudate lobe. Smaller areas of fusiform low-density thickening in the lower thoracic intercostal space. Low attenuation masses arising from the lumbar neural foramina extending into the psoas muscles. Numerous other small low attenuation masses in the presacral space branching into the upper right thigh/gluteal tissues, also along the right prostate margin.
Large, irregular enhancing extraperitoneal mass in the left pelvis extending along the sidewall and involving the iliacus/iliopsoas muscles.