Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal portable view of the chest was obtained . The patient is rotated with respect to the film . The heart is of normal size with normal cardiomediastinal contours . Lungs are clear without focal or diffuse abnormality . No large pleural effusion or pneumothorax . No radiopaque foreign body . Osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .