Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . Left chest wall pacer with dual leads entering the expected location of the right atrium and right ventricle appear unchanged . The heart is stable and top normal in size . The aorta is unfolded , though appears unchanged . The lungs are clear without focal consolidation , effusion , pneumothorax . A slightly thickened appearance of the right major fissure is stable . No signs of edema . Bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly with no evidence of pneumonia or CHF .