Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were obtained demonstrating midline sternotomy wires and mediastinal clips unchanged . Lungs are clear . There is slight elevation of right hemidiaphragm , unchanged . No focal consolidation , effusion , or pneumothorax . Heart and mediastinal contours are normal . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .