Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post recent thoracic spine surgery with immediate postoperative changes , not fully evaluated by conventional chest radiographs . Heart is enlarged and accompanied by pulmonary vascular congestion and mild to moderate pulmonary edema . A wedge - shaped opacity with parenchymal and pleural components in the periphery of the left lung apex corresponds to a site with a fiducial seed on the prior CT , possibly representing a site of a treated cancer . Left retrocardiac opacification is new as well as a patchy area of opacification in the right infrahilar region .
    OUTPUT:
    
Mild to moderate pulmonary edema . Nonspecific bibasilar opacities are potentially due to atelectasis in the recent postoperative setting , and aspiration is an additional consideration in this context . Post treatment changes at the left apex and in the upper thoracic spine are not well evaluated on this chest radiograph exam . ___ , MD