Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Evaluation for the previous right apical pneumothorax is limited , as there are multiple overlying bone shadows and external tubes . Right middle and lower lung consolidation and left retrocardiac consolidations are unchanged . Cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Limited evaluation for previous right apical pneumothorax , given multiple overlying osseous shadows and external tubes . Otherwise , no significant change .