Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been a dramatic decrease in size of previously seen left paramediastinal mass from ___ . The cardiomediastinal and hilar contours are now within normal limits . The pulmonary vasculature is not engorged and there is no overt pulmonary edema . The left hemidiaphragm is elevated , as before . Hyperlucency of the lung apices suggests emphysema . Coarse interstitial lung markings , most pronounced in the right lung base suggest underlying interstitial changes , which appear chronic . There is no large pleural effusion . Evaluation for pneumothorax is limited due to soft tissues of the neck overlying the lung apices . There are multiple rib fractures bilaterally , which appear recent without significant callus formation . Mildly displaced fractures involve the right posterior sixth , seventh and eighth rib . A minimally displaced fracture involve the right lateral ninth rib and possibly a nondisplaced fracture involving the right tenth rib . Nondisplaced fractures of the left eighth and ninth ribs moderately are also noted .
    OUTPUT:
    
1 . Dramatically decreased size of previously seen large left paramediastinal mass from ___ . 2 . Multiple displaced and nondisplaced rib fractures as detailed above .