Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left - sided pneumothorax is unchanged compared to the most recent study . The remainder of the exam is unchanged .
    OUTPUT:
    
No significant change in the left pneumothorax compared to the most recent exam . These findings were discussed via telephone by ___ , MD , with ___ ___ , NP , at ___ on ___ , upon discovery .