Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is significantly enlarged but stable in size from ___ . The mediastinal and hilar contours are normal . There is no significant pulmonary vascular engorgement or pulmonary edema . The lungs are clear . No focal consolidation , effusion or pneumothorax is identified .
    OUTPUT:
    
Significant cardiomegaly is stable . No pulmonary edema or focal consolidation .