Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been no significant interval change in the appearance of the chest . Monitoring and support devices are unchanged and in appropriate position . There is no pneumothorax . Lung volumes are lobe with persistent left lower lobe opacity , likely representing a combination of atelectasis and layering pleural fluid . The right lung is essentially clear .
    OUTPUT:
    
No significant interval change in the appearance of the chest .