Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear without focal consolidation , pleural effusion , pneumothorax , or pulmonary edema . The heart is moderately enlarged , similar to the prior examination . The remainder the mediastinal contours are unchanged .
    OUTPUT:
    
Stable , moderate cardiomegaly . No evidence of acute cardiopulmonary process .