Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Again seen is a small right apical pneumothorax , unchanged . There is no evidence of pneumothorax on the left . No focal consolidation or pleural effusion . Cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Unchanged small right apical pneumothorax . No evidence of pneumothorax on the left .