Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is mildly tortuous . Apart from minimal atelectasis in the left lung base , the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . Minimal deformity of the left ninth and tenth posterolateral ribs may suggest acute or subacute rib fractures .
    OUTPUT:
    
Minimal left basilar atelectasis . Deformity of the left ninth and tenth posterolateral ribs suggestive of acute or subacute fractures , and clinical correlation with any tenderness in this region is recommended .