This two-day symposium will focus on pediatric pulmonary vein stenosis including the etiology, diagnosis, management, identification of knowledge gaps as well as current and future research efforts. Faculty with expertise in PVS from around the around will be invited to give presentations on selected topics as well as to participate in discussions throughout the symposium. The format will include traditional lecture-based topic focused sessions, case presentations, and expert panels all with Q/A time built in to allow for vibrant discussion and participation from all attendees. The symposium is open to all medical providers and trainees interested in learning about PVS.