Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are persistent small bilateral pleural effusions , slightly smaller on the left . Left lower lobe atelectasis is also unchanged . A left - sided PICC terminates in the mid SVC . Prominence of the bilateral hila likely reflect pulmonary vascular congestion . Surgical clips project over the left hemi thorax .
    OUTPUT:
    
Slight interval decrease in size of left pleural effusion , otherwise no significant interval change .