Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Atherosclerotic calcifications are seen within the aortic knob . The mediastinal and hilar contours are within normal limits . There is no pulmonary edema . No focal consolidation , pleural effusion or pneumothorax is present . Eventration of the right hemidiaphragm is unchanged . There are no acute osseous abnormalities . Mild compression deformity of the L1 vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary abnormality .