Figure 13. Enhanced CT scan in a 65-year-old man with non-small cell lung cancer demonstrating metastasis to left pulmonary ligament node (station 9; curved arrow) from left lower lobe lung cancer (straight arrow). Oe = oesophagus, A = aorta. (From Sagel SS, Slone RM. Lung. In: Lee JKT, Sagel SS, Stanley RJ, Heiken JP, editors. Computed body tomography with MRI correlation, 3rd edn. Philadelphia, USA: Lippincott-Raven Publishers, 1998:351–454 [9]. Reprinted with permission).