Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are appropriate . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is mildly enlarged with a left ventricular configuration , which appears stable . The mediastinal contours are within normal limits . The aortic arch is calcified and mildly tortuous .
    OUTPUT:
    
No acute cardiopulmonary process .