macroscopic and microscopic findings indicated that a high percentage of these pups had pulmonary congestion and edema ( 72.7 % ) , alveolar squamous cells/debris ( 27.3 % ) , and/or congenital cardiac anomalies ( ie , patent ductus arteriosus [ 63.6 % ] and patent foramen ovale [ 45.4 % ] ) .
C0018798
congenital cardiac
C0013274
patent ductus arteriosus