Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to previous exam , prior left - sided pneumothorax known longer visualized . Prior left pleural catheter is also been removed . There are small bilateral pleural effusions , similar to prior . Fiducial marker in left upper lobe region of consolidation is again noted . Increased interstitial markings throughout the lungs are likely due to chronic lung disease with superimposed vascular congestion . Linear right basilar opacity suggests atelectasis . Cardiac silhouette is enlarged , similar to prior . Compression deformities in the thoracic spine are unchanged .
    OUTPUT:
    
Persistent small bilateral effusions with COPD and likely pulmonary vascular congestion .