Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In the right middle lobe , best seen on the lateral view , there is an increased opacity . A corresponding area of subtly increased opacity obscuring the right heart border in the right middle lobe is also seen on the frontal view , worrisome for pneumonia . The left lung is clear . Cardiac size is normal . There is no pleural effusion or pneumothorax or pulmonary edema .
    OUTPUT:
    
Findings compatible with right middle lobe pneumonia .