Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormalities . Posterior cervical fixation hardware is partially visualized . There is no free intraperitoneal air .
    OUTPUT:
    
No acute cardiopulmonary process , no free intraperitoneal air .