Failure of sternal fusion with herniation of the pericardium.
D004194:Disease; D006331:Heart Diseases; D006547:Hernia; D006801:Humans; D010496:Pericardium; D013249:Sternum / Q000002:abnormalities*; D013896:Thoracic Diseases
PERICARDIUM/diseases; STERNUM/abnormalities