Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Well inflated lungs . No focal opacity . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable . Left mid lung linear atelectasis is noted . Limited assessment of the osseous structures demonstrates rib fractures extending from right posterior second through fifth ribs . Second rib fracture , anterior fracture fragment is anteriorly displaced and demonstrates periosteal reaction consistent with subacute or chronic component . No definite acute fracture identified although correlation with physical exam is suggested . Chronic right clavicular and scapular fractures are identified .
    OUTPUT:
    
1 . Right rib fractures extending from second through fifth ribs . Third rib fracture may be subacute or chronic in nature . No definite acute fractures identified however correlation with physical exam is suggested . 2 . No pneumothorax .