Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . A calcified granuloma is noted in the left midlung . No signs of pneumonia or CHF . No pleural effusion or pneumothorax . Heart size is within normal limits . The mediastinal contour is unremarkable . No definite bony abnormalities are seen .
    OUTPUT:
    
No acute intrathoracic process .