Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right apical pneumothorax is still present measuring 0 .5 cm . VP shunt is seen . Cardiomediastinal silhouette is unremarkable . There is no parenchymal consolidation .
    OUTPUT:
    
Right apical pneumothorax is still present measuring 0 .5 cm , slightly larger than prior .