Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change from the previous exam . The positions of the 2 left - sided chest tubes are unchanged . The left - sided pleural fluid and air collection overall appears unchanged . The remaining portion of expanded left lung parenchyma appears stable . Stable elevation of the left hemidiaphragm . The right lung is clear . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
No significant interval change since ___ .