Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine frontal view of the chest . Lung volumes are normal . Lungs are clear except for linear atelectasis or scar at the left base . No consolidation , pleural effusion , or pneumothorax . Heart size is top normal with left ventricular configuration . Thoracic aorta is tortuous . There is no osseous abnormality . There is no free air underneath the diaphragms .
    OUTPUT:
    
No acute pulmonary abnormality . Tortuous thoracic aorta . If there is clinical suspicion for acute aortic abnormality is a cause of chest pain , dedicated chest CTA would be recommended .