Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pneumothorax or definite pleural effusion . There is no focal airspace consolidation . The lung volumes are low . There is mild prominence of the pulmonary vasculature , albeit less than prior exam . Despite technique , the heart size is enlarged , but unchanged from prior . Sternotomy wires and CABG clips are noted . Small granulomas are again seen in the right lung base .
    OUTPUT:
    
Cardiomegaly with mild volume overload .