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