Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC terminates in the low SVC . Bilateral chest tubes are unchanged in position . Cardiomediastinal silhouette is unchanged within the limitations of patient rotation . Previously seen opacity at the right mid to lower lung has improved . There is increased retrocardiac and left lung base opacity . There is no pneumothorax .
    OUTPUT:
    
Right basilar atelectasis has improved . Increased moderate left pleural effusion and left basilar atelectasis .