Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable view of the chest . Increased density in the right lower lobe corresponds to a known right lower lobe mass , better seen on CT from ___ . There is a small right pleural effusion and bibasilar atelectasis . No pneumothorax . Cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
No pneumothorax . Small right pleural effusion and bibasilar atelectasis .