Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Moderate cardiomegaly has improved since ___ . The mediastinal silhouette and hilar contours are normal . Sternal wires are intact . Mitral valve ring is noted . No definite pleural effusion is present .
    OUTPUT:
    
Improved moderate cardiomegaly . No evidence of cardiac decompensation .