Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is in stable position approximately 2 .1 cm from the carina . Median sternotomy wires are grossly intact . Enteric tube is in the stomach . There is a moderate persistent interstitial abnormality in the lower lungs , left greater than right . There is no new airspace opacity . The aortic arch is calcified . Mediastinal and hilar contours are normal . Heart size is normal . There is no pneumothorax .
    OUTPUT:
    
Persistent bibasilar opacities , left greater than right , could reflect sequela of aspiration as previously suggested . If further evaluation is desired a CT of the chest could be obtained .