Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy and apparently coronary artery bypass surgery . A single lead pacemaker / ICD device appears unchanged . The cardiac , mediastinal and hilar contours appear stable including cardiac enlargement . There is mild new pulmonary edema and probably trace pleural effusions , the latter not necessarily changed . There is no pneumothorax .
    OUTPUT:
    
Findings suggest mild pulmonary edema .