Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Lung volumes are low , exaggerating heart size . The cardiomediastinal contours are normal . The lungs are clear without focal or diffuse abnormality . No pleural effusion or pneumothorax . Metallic surgical clips are seen in the right upper quadrant . Osseous structures are unremarkable .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary process .