Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Two frontal images of the chest demonstrate a pigtail catheter and a chest tube in place in the right chest with persistent right lung base opacity which is unchanged from prior imaging . There is no pneumothorax . The left lung is clear . There is some atelectasis noted bilaterally at the bases . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Pigtail catheter and chest tube located in the right chest . Essentially unchanged chest radiograph from prior imaging .