Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is borderline cardiomegaly as well as mild unfolding of the lower thoracic aorta . There is no pleural effusion or pneumothorax . The lungs appear clear . Small - to - moderate anterior osteophytes project along the thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .