Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new right pigtail catheter takes a sharp turn , and may be kinked . The small to moderate right pneumothorax has not substantially changed . Aeration at the right base has improved , possibly on the basis of resolving contusion . The left lung is clear .
    OUTPUT:
    
No appreciable interval change in small to moderate right pneumothorax following pigtail catheter placement . The right pigtail catheter may be kinked . Resolving right basilar contusion .