Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart continues to be mildly enlarged with left atrial enlargement . There is no overt pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is noted . The patient is status post median sternotomy and mitral valve replacement . There is a left pectoral cardiac device with its leads in stable position over the right atrium and ventricle . Mid thoracic vertebral body compression deformity is again noted .
    OUTPUT:
    
Mild cardiomegaly . Stable positioning of cardiac device and its leads .