Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . There are low lung volumes . Transvenous right atrial and right ventricular pacer leads are unchanged and in their expected locations . The lungs are clear . There is no consolidation , pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are normal . Again seen is left pleural thickening with calcified pleural plaques .
    OUTPUT:
    
Low lung volumes . No acute cardiopulmonary process .