Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy . There is prominence of the cardiomediastinal silhouette , improved compared with ___ . There has also been some clearing of opacities of both lung bases and improvement in the right pleural effusion . Minimal blunting of the left costophrenic angle is noted . There is borderline upper zone redistribution , without other evidence of CHF . Lateral view shows bilateral effusions with some underlying collapse and / or consolidation . Right IJ central line tip overlies the mid / lower right atrium , relatively low . No pneumothorax is identified . Incidental note is made of truncation of the lateral right clavicle with well - corticated edge and the inferior edge of hardware in the cervical spine .
    OUTPUT:
    
Interval improvement in post-op appearance . Small bilateral effusions . No pneumothorax .