Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are normal . The lungs are hyperinflated . ill - defined consolidation in the left lower lobe is consistent with pneumonia . There is a small left effusion . There is no evident pneumothorax . Sternal wires are aligned . Patient is status post AVR . There is no pneumothorax . Dense calcification of the mitral annulus is again noted
    OUTPUT:
    
Left lower lobe pneumonia Emphysema