| Namespace | disease_ontology | Obsolete | false |
| description | A visceral heterotaxy that is characterized by complete atrioventricular septal defect with a common atrium and univentricular AV connection, total anomalous pulmonary drainage, and transposition or malposition of the great arteries and that has_material_basis_in homozygous mutation in the GDF1 gene on chromosome 19p12. |