Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a focal consolidation in the left lower lobe posteriorly consistent with pneumonia . Compared to prior study , there is also increased opacity within the right middle lobe which may be second site of pneumonia . There is no evidence of pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Left lower lobe pneumonia . Equivocal early consolidation in the right middle lobe .