title: Hypoplasia of the left first rib in a child with Down's syndrome and an endocardial cushion defect.
mesh_terms: D002648:Child; D004314:Down Syndrome / Q000150:complications*; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications*; D006344:Heart Septal Defects, Atrial / Q000150:complications; D006345:Heart Septal Defects, Ventricular / Q000150:complications; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications; D008944:Mitral Valve Insufficiency / Q000150:complications; D011859:Radiography; D012272:Ribs / Q000002:abnormalities* / Q000000981:diagnostic imaging