Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral veiws of the chest . No consolidation , pleural effusion or pneumothorax . Mild streaky opacities in the right upper lung may be due to radiation therapy . The cardiomediastinal and hilar contours are normal . There are aortic knob calcifications .
    OUTPUT:
    
No acute cardiopulmonary process .