Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . Lateral view is limited by patient 's arm being down by her side . Heart is top normal in size and cardiomediastinal contour is unremarkable . Calcifications are noted in the aortic arch . Lungs are well expanded and clear . There is no focal consolidation , pleural effusion or pneumothorax . No displaced fracture is identified .
    OUTPUT:
    
No acute intrathoracic abnormality .