Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are stable with calcification of the aortic knob and the mitral valve annulus . There is no large pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . Pulmonary vasculature is within normal limits . Lung hyperinflation is in keeping with given history of COPD . Thoracic dextroscoliosis is present . Surgical clips overlying the left axilla and left breast tissue are again seen .
    OUTPUT:
    
No acute cardiopulmonary process .