Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouettes are normal . The bilateral hila are normal . There is a stable large right pneumothorax . No evidence of tension physiology / shift of mediastinal structures . Right apical surgical chain is seen in stable position . There is minimal right apical pleural thickening as seen on prior radiographs . The left lung is well - aerated and clear without evidence of focal consolidation . There are no pleural effusions .
    OUTPUT:
    
Stable large right pneumothorax . No significant interval changes .