“…Recently, transcatheter occlusion of the VV in partial anomalous pulmonary venous connection with dual return to the LA and a VV has begun to gain favor in the congenital cardiology community, as indicated in multiple case studies and our center’s unpublished experience. 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 Although TTE remains the initial imaging modality of choice, often further evaluation of posterior structures requires TEE or cross-sectional imaging. In our case, the entry of the VV was severely narrowed as visualized on CCT, with secondary findings of increased Q p /Q s ratio and right-sided chamber dilation on CMR in the absence of an intracardiac shunt.…”