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Figure 15d. Fibrosing mediastinitis with obstruction of the medial left brachiocephalic vein and SVC in a 34-year-old woman. (a) Axial contrast-enhanced CT scan demonstrates occlusion of the SVC and left brachiocephalic vein. (b, c) Axial contrast-enhanced CT scans obtained at the level of the aortic root (b) and ventricles (c) show the pericardiophrenic vein (arrow) coursing along the lateral aspect of the heart. (d) On an axial CT scan, the pericardiophrenic vein is seen to connect with the inferior phrenic vein (arrowhead), at which point it drains into the IVC (arrow).
