Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The aorta is slightly tortuous . Mild pulmonary vascular congestion is present . Emphysematous changes appear to be present within the upper lobes . More focal patchy opacities are noted in the lung bases which are nonspecific , and could reflect areas of aspiration or infection . No large pneumothorax or pleural effusion is present . Remote right distal clavicular fracture is seen . Multiple bilateral rib fractures also appear subacute to chronic in age .
    OUTPUT:
    
Patchy opacities in the lung bases may reflect aspiration or infection . Mild pulmonary vascular congestion . Emphysema .