Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , there is no relevant change . Moderate asymmetry of the rib cage , due to healed rib fractures and marked scoliosis . Normal size of the cardiac silhouette . Marked tortuosity of the thoracic aorta . No evidence of hilar or mediastinal lymphadenopathy . Lung parenchyma appears normal , without signs of nodular or fibrotic changes . No pleural effusions .
    OUTPUT:
    
No evidence of sarcoid .