Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were provided . The heart is mildly enlarged , though this is unchanged . The lungs are clear without focal consolidation , effusion or pneumothorax . No signs of pulmonary edema . The mediastinal contour is stable . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Stable mild cardiomegaly . Otherwise , normal .