Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are remarkable for a tortuous thoracic aorta and moderate sized hiatal hernia . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Scoliosis is noted .
    OUTPUT:
    
No conventional radiographic evidence of pulmonary metastases . CT is more sensitive than radiography for detecting small pulmonary nodules and may be considered for more complete assessment if warranted clinically .