Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear . No pleural effusion , edema , or pneumothorax . The heart is normal in size . Medial convexity of the ascending aorta suggests tortuosity or dilation . The descending thoracic aorta is slightly tortuous . There is pulmonary vascular engorgement . No acute osseous abnormality .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Tortuous or dilated thoracic aorta .