Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Both lungs are well expanded and clear . There are no lung opacities of concern . The lower part of the sternum on the lateral view is off the radiograph 's view and hence its assessment was limited . There are no rib fractures . No pleural effusion . Heart size , mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process .