Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates hypoinflated lungs . New right lung base patchy opacity is noted . No left pleural effusion . Small right pleural effusion is present . No pneumothorax . Persistent moderate cardiomegaly is noted . Mediastinal contour , and hila are otherwise unremarkable . Limited assessment of the upper abdomen is within normal limits . A left - sided pacemaker device is again seen with leads terminating in the right atrium and right ventricle .
    OUTPUT:
    
Small right pleural effusion with patchy opacity in right lung base could reflect pneumonia .