Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is borderline enlarged . The aorta is tortuous with atherosclerotic calcifications noted at the aortic knob . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Elevation of the right hemidiaphragm is chronic . Subsegmental right basilar atelectasis is seen , but there is no focal consolidation . No large pleural effusion or pneumothorax is present . Blunting of the right costophrenic angle is likely due to mild chronic pleural thickening . No pneumothorax is detected . No displaced fractures are seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No definite displaced fracture seen . If there is continued concern for rib fracture , consider a dedicated rib series .