Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy , aortic and mitral valve replacement . Moderate to severe cardiomegaly is unchanged . The mediastinal and hilar contours are similar with atherosclerotic calcifications noted at the aortic knob . Mild pulmonary edema is demonstrated with trace bilateral pleural effusions . No focal consolidation or pneumothorax is present . Atelectasis is seen in the lung bases . No acute osseous abnormality is detected .
    OUTPUT:
    
Mild congestive heart failure with mild pulmonary edema and trace bilateral pleural effusions .