Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged with a left ventricular predominance . The aorta remains tortuous . Mediastinal and hilar contours are unremarkable , and there is no pulmonary vascular congestion . No focal consolidation , pleural effusion or pneumothorax is seen . Linear opacities within the retrocardiac region likely reflect atelectasis . There is no acute osseous abnormality . Mild levoscoliosis of the thoracic spine is re - demonstrated along with mild degenerative changes . Remote sternal fracture is again noted .
    OUTPUT:
    
No acute cardiopulmonary process .