Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable . There is no pleural effusion . There has been a slight increase in the right apical pneumothorax , now measuring 1 .8 cm , with expected post-operative changes in the right hemithorax . A right chest tube is present in standard position . There is no focal consolidation concerning for pneumonia . Again demonstrated is mild bibasilar atelectasis .
    OUTPUT:
    
Mild increase in size of the right apical pneumothorax , now measuring 1 .8 cm .