Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained demonstrating clear well expanded lungs without focal consolidation , effusion , pneumothorax . Heart size is top normal . Mediastinal contour is normal aside from an unfolded thoracic aorta . Bony structures are intact . A focal eventration of the right hemidiaphragm noted . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute intrathoracic process . Top normal heart size .