Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New since the prior study is increased opacity in the right infrahilar region , worrisome for pneumonia . There is a small to moderate right pleural effusion . Left lung is clear . No pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Patient is status post median sternotomy and CABG . Left - sided Port - A - Cath is again seen , terminating at the cavoatrial junction .
    OUTPUT:
    
New since the prior study is increased opacity in the right infrahilar region , worrisome for pneumonia . Small right pleural effusion .