obsolete_congenital left-sided heart lesions true true Dani Welter serious heritable structural anomalies of the left side of the heart, including hypoplastic left heart syndrome, aortic valve stenosis, coarctation of the aorta, mitral valve anomalies and bicuspid aortic valve, that are present from birth congential LSLs OMIM:614435 left ventricular obstructive tract defect http://purl.obolibrary.org/obo/MONDO_0005584 Replaced by Mondo term MONDO_0005584, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0005584 3.88.0 LVOTD OMIM:241550