Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged . The aorta is moderately tortuous . The hilar and mediastinal contours are within normal limits . There is no pneumothorax , focal consolidation , or pleural effusion . A left lower lobe calcified granuloma is again seen .
    OUTPUT:
    
No acute intrathoracic process .