Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Interval decrease in previously seen bilateral pleural effusions with possible very trace effusion persisting on the right . Right base atelectasis is seen . No definite focal consolidation . The patient is status post median sternotomy and cardiac valve replacement . A left - sided PICC is again seen , terminating in the mid-to - distal SVC . Cardiac silhouette is top normal . Mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Significant interval decrease in bilateral pleural effusions with possible only trace right pleural effusion remaining . Right base atelectasis .