From the case: Congenital venolobar syndrome
Axial C+ arterial phase
Dilated pulmonary trunk and right heart. Large scimitar vein draining the entire right lung to the supradiaphragmatic IVC. Systemic artery arising from aorta at the level of the hiatus supplying a right lower lobe pulmonary segment, with venous drainage to the IVC representing an extralobar sequestration.