Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is after cardiac surgery . Left pectoral pacemaker is unchanged with wires following the expected course . Lung is well inflated with reduced interstitial opacities for reduced pulmonary edema mainly at the lung bases . There is no pleural effusion . Heart size persists enlarged . There is no pneumothorax .
    OUTPUT:
    
Reduced pulmonary edema at the lung bases . No pleural effusion .