Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart appears mildly enlarged . The aorta is moderately tortuous . Streaky opacity at the left lung base suggests minor atelectasis . Otherwise , the lungs appear clear . There is no definite pleural effusion . No pneumothorax is visualized . There is a moderate rightward convex curvature centered along the lower thoracic spine . No fracture is identified .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .