Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has multiple known rib fractures , more completely depicted on the recent chest CT . The known right clavicular fracture is not well appreciated on this examination . Again seen is the right chest tube . The overall appearance is similar . Slight differences in configuration could relate to differences in positioning and inspiratory volume . A tiny right apical pneumothorax is probably unchanged . The recent CT also showed a tiny basilar pneumothorax which is not appreciated radiographically . The cardiomediastinal silhouette is unchanged . The heart is not enlarged . Aorta is minimally unfolded . There is upper zone redistribution , but no overt CHF . There bibasilar atelectasis , without frank consolidation . No gross effusion is identified .
    OUTPUT:
    
1 . Right chest tube present . Tiny right apical pneumothorax noted , probably unchanged . 2 . Minimal bibasilar atelectasis , without frank consolidation or gross effusion . 3 . Upper zone redistribution , without overt CHF . 4 . Known right clavicular and multiple rib fractures , not optimally visualized on this examination .