Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are unchanged and within normal limits . Pulmonary vasculature is not engorged . Streaky atelectasis is noted in the left lung base . No focal consolidation , pleural effusion or pneumothorax is demonstrated . Moderate degenerative changes are noted in the thoracic spine . Clips are seen within the right upper quadrant of the abdomen . No displaced rib fractures identified .
    OUTPUT:
    
Left basilar streaky atelectasis . No focal consolidation . No displaced rib fracture identified . If there is continued concern for rib fracture , consider a dedicated rib series .