Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Relatively low lung volumes are seen , and there is motion and rotation of the patient to the right . Within these limitations , the lungs are grossly clear . The cardiomediastinal silhouette is within normal limits . No displaced fractures identified .
    OUTPUT:
    
No definite acute cardiopulmonary process on this limited exam .