Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild elevation of the left hemidiaphragm , persistent . No focal consolidation , pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . The aorta is quite tortuous . The cardiac silhouette is not enlarged .
    OUTPUT:
    
No significant interval change .