Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left lower lungopacity is compatible with pneumonia within the lingula and lower lobe . The right lung is clear . Cardiac size is normal . The aorta is normal . There is no pleural effusion or pneumothorax . Apical scarring is noted in the right apex , stable from the prior exam .
    OUTPUT:
    
Left lower lobe and lingular pneumonia ; repeat radiograph after treatment ( 6 weeks ) is recommended to document resolution .