Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior study , mild cardiomegaly is unchanged . Mediastinal and hilar contours are unchanged . Increased diffuse interstitial lung markings suggest mild interstitial pulmonary edema . Intact median sternotomy wires and mediastinal clips again seen .
    OUTPUT:
    
Findings consistent with mild interstitial pulmonary edema . No focal consolidation .