Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph demonstrates interval removal of the left chest tube . There is no pneumothorax . The remainder of the exam is unchanged .
    OUTPUT:
    
Interval removal of the left chest tube . Otherwise unchanged exam , without pneumothorax . These findings were discussed via telephone by ___ , MD , with ___ , NP , at approximately ___ on ___ .