Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , there is a new right middle lobe opacity , obscuring the right heart border , concerning for pneumonia in the correct clinical setting . There are bilateral pleural effusions without pneumothorax . Unchanged moderate cardiomegaly , left - sided pacemaker , and intact median sternotomy wires . Old healed right rib fractures are also unchanged .
    OUTPUT:
    
New right middle lobe opacity , obscuring the right heart border , concerning for pneumonia given the patient 's clinical history .