Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 2 views of the chest demonstrates mildly hyperexpanded lungs . Opacity at the right lung base likely represents pneumonia , in the setting of an elevated WBC count . No pleural effusions . No pneumothorax is seen . Hilar and mediastinal contours are normal .
    OUTPUT:
    
Right lower lobe pneumonia .