Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aortic knob is calcified . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . There is continued blunting the right costophrenic angle , likely pleural thickening , unchanged . No pleural effusion or pneumothorax is present . Anterior wedge compression deformity of L2 vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .