Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The mediastinal and hilar contours are within normal limits . There is redemonstration of a large hiatal hernia and atelectasis at the left lung base . The right lung is clear . There is no focal consolidation concerning for pneumonia . A calcified granuloma is seen in the left apex , suggestive of old tuberculous changes .
    OUTPUT:
    
No acute cardiopulmonary process .