Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest radiograph . Right basilar pleural pigtail is curled within the periphery of the right hemithorax with interval decrease in size of basal component of the loculated right pleural effusion . The more superior portion persists unchanged . Improved basilar aeration is noted . The left lung is clear . No pneumothorax is seen . Heart and mediastinal contours are unremarkable .
    OUTPUT:
    
Status post placement of right basal pleural catheter located in the peripheral right hemithorax with decrease in the right basal component of the pleural effusion without pneumothorax .