Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . A left pleural catheter is seen coiled in similar position compared to the prior study . The previously seen left pleural effusion with accompanying left basilar opacification likely representing atelectasis is essentially unchanged since the prior study . There is no evidence of pneumothorax . A small right pleural effusion is also unchanged .
    OUTPUT:
    
No evidence of pneumothorax . Otherwise , unchanged since the prior study .