Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided moderate pneumothorax is minimally increased in size measuring 47 mm in the craniocaudal plane at the right lung apex and measures 24 mm in the lateral extent . Mild decrease in the subcutaneous air in the right lateral chest wall . Mediastinal shift is difficult to assess in the setting of leftward patient rotation .
    OUTPUT:
    
Minimal interval increase in size of the right - sided pneumothorax .