(A) Depicted are 103 treatment beams employed by the Cyberknife radiosurgery accelerator during targeting of right-sided and left-sided para-aortic lymph nodes. (B) Depicted is an axial projection of radiosurgical treatment, with the 2400 cGy prescription isodose line highlighted in red covering the nodal planning target volume shaded in red. The green cross-hairs designate the maximum dose point within targeted para-aortic lymph nodes. (C) Plotted are the dose-volume histograms for the para-aortic lymph node target (18F-FDG PET-GTV in maroon and CT-GTV in aqua blue), vertebral bone marrow (gold), small bowel (purple), left kidney (dark blue), and right kidney (magenta).