Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate a right pleural pigtail catheter . The right pneumothorax is increased compared to prior radiograph . The remainder of the exam is unchanged .
    OUTPUT:
    
Increased right pneumothorax . These findings were communicated via telephone by Dr . ___ to Dr . ___ at ___ on ___ .