Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Compared to prior study , degree of pulmonary vascular engorgement is unchanged but there is no overt edema . Increased retrocardiac and left base opacity is likely due to atelectasis with overlying pleural effusion . There may be a small right pleural effusion as well . Postoperative cardiomediastinal silhouette is stable . Right IJ line terminates in the mid SVC .
    OUTPUT:
    
Bilateral small pleural effusions . No overt edema .