Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mild to moderately enlarged but unchanged . The mediastinal contour is similar . Right middle lobe mass is again noted , as seen on the previous exam . Mild pulmonary edema is new in the interval . Additionally , patchy ill - defined opacities are seen in the lung bases , also progressed since the previous study . No pleural effusion or pneumothorax is identified . Focal areas of right lateral pleural thickening with adjacent chronic rib fractures are again noted . Remote left - sided rib fractures are also again noted .
    OUTPUT:
    
1 . New mild pulmonary edema . 2 . Worsening ill - defined patchy bibasilar opacities , likely atelectasis , but infection is not excluded . 3 . Re - demonstration of right middle lobe mass .