Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to ___ radiograph , cardiomediastinal contours are stable in appearance this patient status post median sternotomy and aortic valve replacement . Mild elevation of the left hemidiaphragm is new with adjacent left lower lobe atelectasis and small pleural effusion . Small right pleural effusion is also new as well as a vague opacity in the right juxta hilar region . Left PICC terminates in the left axilla .
    OUTPUT:
    
New small bilateral pleural effusions , left greater than right . Left basilar atelectasis . Vague right juxta hilar opacity which could reflect aspiration or focal pneumonia in the appropriate clinical setting .