Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest again demonstrates left chest wall port with the tip of the catheter in the low SVC . There has been interval right thoracentesis with improvement in the right pleural effusion , with residual small right pleural effusion and moderate - sized left pleural effusion persisting with continued bibasilar atelectasis . The cardiomediastinal contours are unchanged . No pneumothorax is seen . Biapical pleural scarring is unchanged .
    OUTPUT:
    
Status post right thoracentesis with improvement in right pleural effusion with residual small right and moderate left pleural effusions . No pneumothorax .