Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aortic knob demonstrates atherosclerotic calcifications . Known small right hemopneumothorax is re - demonstrated , better assessed on the prior chest CT . There is no leftward shift of mediastinal structures . Minimal blunting of the left costophrenic angle also suggests a tiny left pleural effusion . Bibasilar atelectasis is demonstrated along with probable small areas of contusion in the right lung base . Pulmonary vascularity is not engorged . Fractures of the right fifth through ninth ribs are re- demonstrated , several which are comminuted and displaced . Subcutaneous emphysema is seen within the right lateral chest wall .
    OUTPUT:
    
Comminuted and displaced right fifth through ninth rib fractures with associated subcutaneous emphysema and small right hemopneumothorax , better assessed on the previous chest CT . Bibasilar atelectasis and small areas of contusion within the right lung base .