Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiographs demonstrate pulmonary hyperexpansion and flattening of the hemidiaphragms consistent with COPD . There may be a new nodule in the left lung superimposed upon the lateral third rib . The heart is moderately enlarged , further accentuated by AP technique . A suture chain is seen in the left lung apex . There are healed fractures of the posterior right third and fourth ribs . No acutely displaced rib fractures are noted .
    OUTPUT:
    
1 . No displaced rib fracture . If there is further concern for fracture , recommend repeat dedicated views with a BB to mark the site of pain . 2 . Possible new nodule in the left lung in this patient under surveillance for BAC .