Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal contours are stable with normal heart size and aorta . A left exophytic hilar mass is unchanged in size since the chest radiograph from ___ . There is no pleural effusion or pneumothorax . There is no new focal consolidation concerning for pneumonia . Pulmonary vasculature is within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process to account for presence of rales .