Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left chest tube is in unchanged position . There is no pneumothorax . Subcutaneous emphysema is noted . There is new left lower lobe atelectasis as well as a small left pleural effusion . The right lung is clear . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Left lower lobe atelectasis and small left pleural effusion . No pneumothorax .