Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall Port - A - Cath is present . Given differences in technique there has been no significant interval change in the known right pneumothorax despite removal of the bilateral pigtail catheters . No left pneumothorax is identified . Unchanged prominent interstitial markings in both lungs .
    OUTPUT:
    
Interval removal of the bilateral pleural pigtail catheters . Unchanged right pneumothorax . No left pneumothorax is identified .