Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 1 portable view . There is interval increase and a large right pleural effusion . The right hemi thorax is not in the opacified . No pulmonary markings are visible in the lucent area at the right lung apex . The left lung appears to be expanded and clear . The left cardiomediastinal silhouette is unremarkable . The bony thorax is grossly intact .
    OUTPUT:
    
Interval increase in large right effusion . Aerated lung is not visible at the right lung apex suggesting air in the pleural space . Clinical correlation is recommended .