Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Heart size remains mildly enlarged . The aorta is tortuous . Mild pulmonary edema is new in the interval . Small bilateral pleural effusions are present . Patchy bibasilar airspace opacities likely reflect areas of atelectasis . No pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
Mild pulmonary edema and trace bilateral pleural effusions .