Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of left chest tube since ___ . Stable appearance of left lung abnormality with left hemidiaphragm elevation , nodular and pleural thickening , small layering pleural effusion , and left basilar atelectasis since ___ . The heart size is unchanged . The right lung is clear . No pneumothorax .
    OUTPUT:
    
1 . Interval removal of left chest tube since ___ . No pneumothorax . 2 . Left lung abnormality is essentially unchanged since ___ .