Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are stable , patient is status post CABG . There is mild cardiomegaly . . Right lower lobe opacities likely correspond to the pneumonia . There is a scarring or atelectasis in the left lower lobe . . There is no pneumothorax or pleural effusion . Sternal wires are aligned
    OUTPUT:
    
Right lower lobe pneumonia followup is recommended