Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lateral views of the chest were provided . Midline sternotomy wires and mediastinal clips are noted . There is a stent at the level of the aortic root . Tripolar pacer is unchanged . There is interstitial pulmonary edema with no effusion . No pneumothorax . Heart and mediastinal contour appears stable with top normal heart size . Bony structures are intact .
    OUTPUT:
    
Mild pulmonary edema .