Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right lower lobe remains atelectatic as is seen by depression of the fissure . There may be a small right pleural effusion . There is no pneumothorax or significant pulmonary edema . There is stable postoperative widening of the cardiomediastinal silhouette . Median sternotomy wires are present .
    OUTPUT:
    
Continued atelectasis of the right lower lobe ; otherwise , no acute process .