Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An AP and lateral view of the chest shows small bilateral pleural effusions , larger on the left than the right . A faint reticular opacity at the right base is improved from the prior exam , and most consistent with atelectasis . There is no pulmonary edema or pneumothorax . The patient is status post a median sternotomy with multiple clips and stents in the mediastinum . The sternal wires are intact . The cardiomediastinal silhouette is unchanged . the cardiac size is at the upper limits of normal .
    OUTPUT:
    
1 . Persistent small bilateral pleural effusions . 2 . Improved right lower lung aeration with mild residual atelectasis .