Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate sternotomy wires and a pacemaker with leads terminating in the region of the left atrium and ventricle . A left lower lobe opacity is unchanged compared to multiple radiographs from ___ and ___ and may represent persistent atelectasis or recurrent pneumonia . A small left pleural effusion is unchanged . There is a new small right pleural effusion . Mild to moderate cardiomegaly is slightly worse compared to prior radiographs . No pneumothorax or bony abnormality is seen .
    OUTPUT:
    
1 . A left lower lobe opacity , also seen on multiple prior radiographs , likely represents persistent atelectasis or possibly recurrent pneumonia . 2 . Small right pleural effusion , new since ___ . Unchanged small left pleural effusion . 3 . Mild - to - moderate cardiomegaly is slightly worse since ___ . These findings were communicated via telephone by Dr . ___ to Dr . ___ at ___ on ___ .