Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained . The lungs are clear . No focal consolidation , effusion , or pneumothorax . No signs of CHF . Heart and mediastinal contour are unremarkable aside from an unfolded thoracic aorta . Bony structures are intact . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process .