Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy , CABG , and aortic valve replacement . Moderate tortuosity of the aorta is again seen . The central pulmonary vessels are prominent . Mild interstitial edema is present . No consolidations are present . Linear bibasilar opacities are most reflective of atelectasis . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Mild interstitial edema . No focal consolidation .