Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dual lead left anterior chest wall pacer is again noted and is unchanged in position . Moderate cardiomegaly is unchanged from prior study . Atherosclerotic calcifications are noted along the aortic arch . Subtle increased density is noted in the right middle lobe with questionable lateral correlate in the posterior lower lung fields . There is no pleural effusion or pneumothorax . A right humeral head replacement is incompletely imaged . The osseous structures are otherwise grossly unremarkable .
    OUTPUT:
    
Subtle increased density in the right middle lobe with questionable lateral correlate suspicious for infection .