Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is moderately enlarged . The mediastinal contours are notable for a mildly tortuous thoracic aorta . The pulmonary vascularity is not engorged . The hila are within normal limits . Lungs are grossly clear . No pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities . Please note that the lateral view is somewhat limited due to the patient 's inability to raise her arms .
    OUTPUT:
    
No acute cardiopulmonary abnormality .