Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval development of a small focal area of heterogeneously increased density projected in the anterior segment of the right upper lobe on the PA view . It is not well seen on the lateral view . The lungs appear otherwise clear . The patient is status post median sternotomy and CABG as before . The aorta is tortuous and calcified . Mediastinal structures are stable . The bony thorax is grossly intact . There are degenerative changes in the spine .
    OUTPUT:
    
Interval development of increased density in the right upper lobe consistent with pneumonia .