Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a tortuous and prominent thoracic aorta , possibly dilated . Otherwise , the cardiomediastinal silhouettes are within normal limits . The bilateral hila are unremarkable . The lungs are clear . There is no evidence of pulmonary vascular congestion . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Possible dilation of the ascending thoracic aorta . Recommend CT Chest .