Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient 's soft tissues of the neck and chin obscure evaluation of the lung apices . Heart size is mildly enlarged but unchanged . The aorta is diffusely calcified . Mediastinal and hilar contours are stable , with mild unfolding of the thoracic aorta again noted . No overt pulmonary edema is seen . Low lung volumes cause crowding of the bronchovascular structures . No focal consolidation , pleural effusion or pneumothorax is visualized . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .