Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post prior median sternotomy and CABG . Re - demonstrated is a right upper lobe opacity , and decreased in conspicuity since the prior radiograph . No new opacities are identified . There is an unchanged area of atelectasis / scarring in the left midlung zone . No evidence of pulmonary edema . No pleural effusion or pneumothorax identified . The size of the cardiac silhouette is enlarged but unchanged .
    OUTPUT:
    
Interval decrease in conspicuity , but persistence of , a right upper lobe opacity / consolidation . Continued follow up to resolution is recommended .