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 bilaterally without focal consolidation , effusion , pneumothorax . Heart size is normal . No signs of congestive heart failure or pulmonary edema . Mediastinal contour is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
Normal chest radiograph .