Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent predominately apical right sided pneumothorax , this is unchanged in size when compared to the prior study . A new opacity in the right mid lung likely relates to atelectasis due to this pneumothorax . Small amount of pleural fluid on the right consistent with a hydro pneumothorax . The cardiomediastinal contour is unchanged . No left - sided pneumothorax seen . The lungs remain moderately hyperinflated .
    OUTPUT:
    
No significant interval change in the small right pneumothorax . A new nodular opacity , new compared to a prior study from 2 days ago a likely reflects an area of atelectasis , continued attention on followup is recommended .