Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . There is bibasilar atelectasis . Cardiac silhouette is top - normal to mildly enlarged . The aorta remains calcified and tortuous . The mediastinal contours are stable . The patient remains rotated somewhat to the left . Overall , the upper to mid lungs appear relatively lucent which may relate to underlying pulmonary emphysema . No definite fracture identified however , a is concern is high for such , suggest dedicated imaging .
    OUTPUT:
    
Bibasilar atelectasis . COPD . No definite fracture seen . If clinical concern for rib fracture is high , rib series or CT is more sensitive .