Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG as well as valve replacement surgery . Moderate cardiomegaly is present . There is mild pulmonary edema . Mediastinal and hilar contours otherwise are unremarkable . Small bilateral pleural effusions are present . There is no focal consolidation . No pneumothorax is identified . No acute osseous abnormality is detected .
    OUTPUT:
    
Mild congestive heart failure with small bilateral pleural effusions .