Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The patient is status post median sternotomy and CABG . Left - sided AICD is unchanged in position . Patchy right lower lobe opacity is seen , worrisome for consolidation which could be due to infection or aspiration . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette top normal .
    OUTPUT:
    
Patchy right lower lobe opacity is seen , worrisome for consolidation which could be due to infection or aspiration .