congenital heart malformation juxtaposition of the atrial appendages https://github.com/monarch-initiative/mondo/issues/6740 https://github.com/monarch-initiative/mondo/issues/6876 https://www.malacards.org/card/juxtaposition_of_the_atrial_appendages UMLS:C1290478 Juxtaposition of the atrial appendages is a rare atrial appendage anomaly when both appendages are located on the left or the right side of the great arteries. It is asymptomatic and is usually diagnosed incidentally, but is frequently associated with other congenital heart diseases. Orphanet:99100 MONDO:0020431 MEDGEN:712843 GARD:0019648 juxtaposition of the atrial auricles