Figure 13b. Lymph node metastases. (a) Obturator node metastasis in a 32-year-old woman who underwent radical hysterectomy. Contrast-enhanced CT scan shows a peripherally enhancing low-attenuation mass (arrows) attached to the left ilium. (b) Paraaortic node metastases in a 55-year-old woman who underwent radiation therapy. CT scan shows conglomerate enlarged lymph nodes (arrows) in the portacaval space.