Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Compared to the most recent prior chest radiograph from ___ , the heart size has decreased in size . There is interval decrease in bilateral lower lung vascular engorgement . There is new lingular opacity that is obscuring the cardiac apex , concerning for pneumonia . Tiny left pleural effusion is seen . Dual pacemaker leads are in good positions overlying the right atrium and right ventricle .
    OUTPUT:
    
Right upper lobe ( lingula ) pneumonia .