Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is significantly rotated to the right . There is mild widening of the upper mediastinum , which is likely due to a tortuous and dilated thoracic aorta . The heart size is normal . The lungs are well expanded and clear , without consolidation or pneumothorax . A small right pleural effusion is seen .
    OUTPUT:
    
Dilated tortuous thoracic aorta . Small right pleural effusion .