Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There continues to be moderate to severe cardiomegaly . Sternal wires and mediastinal clips are again seen . This increased opacity at the right base along with pulmonary vascular redistribution and Kerley B lines . There is a small right effusion .
    OUTPUT:
    
CHF and underlying infectious infiltrate particularly in the right lower lobe not excluded .