Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . No focal consolidation is identified . The cardiomediastinal silhouette and hilar contours are stable . There is a calcified prevascular lymph node . There is no pleural effusion or pneumothorax . A left chest Port - A - Cath terminates at the level of the upper SVC , as before . Patient is status post median sternotomy .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .