Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to prior , inspiratory effort is improved . The lungs are clear without consolidation or frank pulmonary edema . The cardiomediastinal silhouette is stable noting moderate cardiomegaly . Median sternotomy wires are intact . Pleural - based density at the right lung base may be due to prominent pleural fat .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .