Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . There is no focal consolidation , effusion , or pneumothorax . Mediastinal and hilar contours are normal . Mild cardiomegaly is stable . The thoracic aorta is moderately calcified .
    OUTPUT:
    
1 . No radiographic evidence of pulmonary embolism . 2 . Stable mild cardiomegaly .