Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , effusion , or pneumothorax . There is pulmonary vascular congestion and interstitial edema . There is minimal retrocardiac atelectasis . Cardiomegaly is mild . The patient is status post CABG and mitral valve replacement . Sternal wires and surgical clips appear similar to prior . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
CHF with interstitial edema .