Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate right apical and lateral pneumothorax is unchanged compared to the prior radiograph performed 15 minutes prior . The lungs are hyperexpanded consistent with provided history of chronic obstructive pulmonary disease . Multiple blebs are noted . Bilateral patchy and linear opacities are relatively stable and likely represent scarring . Blunting of the right costophrenic angle is unchanged . The cardiac and mediastinal contours are normal .
    OUTPUT:
    
Moderate right apical / lateral pneumothorax is unchanged compared to the prior radiograph .