Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new patchy right infrahilar opacity is suspicious for pneumonia . Lungs are otherwise remarkable for nonspecific scarring at the lung apices and extreme lung bases . Cardiomediastinal contours are stable in appearance with marked tortuosity and calcification of the thoracic aorta . Note is also made of coronary artery calcifications . No pleural effusion or acute skeletal findings .
    OUTPUT:
    
Right infrahilar opacity is suspicious for focal right lower lobe pneumonia . Followup chest x-rays in ___ weeks after completion of antibiotic therapy may be helpful to assess for resolution if warranted clinically