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Fig. 2B —68-year-old man with small cell lung carcinoma. Contrast-enhanced CT scan (A) and same scan with nodes colored (B) show station 1 highest mediastinal node (light green, B). Node is in left paratracheal region between left common carotid artery and left subclavian artery. This level is cranial to brachiocephalic vein where it crosses trachea. Note that station 3 prevascular node (bright pink, B) lies anterior to and left of major arterial vessels. More peripheral part of brachiocephalic vein is unopacified (arrow), medial to station 3 node.