<prompt> Answer this question truthfullyWhat are the possible diagnoses that differentiate Cor triatriatum?  <response>: <reason> Mitral Stenosis Supravalvular Ring Partial Anomaly of Pulmonary Venous Connection Idiopathic Pulmonary Hypertension Persistent Pulmonary Hypertension in newborn Pulmonary Hypoplasia Total Anomalous Pulmonary Venous Connection 