Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . Patchy opacity in the right lower lobe is without substantial interval change from the previous examination . A trace right pleural effusion appears minimally increased from the prior study . Left lung is clear . No pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Patchy right lower lobe opacity , not substantially changed in the interval , likely reflective of continued pneumonia . Trace right pleural effusion , perhaps minimally increased .