Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since earlier same day chest radiograph , bilateral perihilar opacities are increased , concerning for pulmonary edema or pneumonia . The small to moderate bilateral pleural effusions , and left basilar and retrocardiac atelectasis are mildly worse . Severe cardiomegaly is unchanged . The tip of a right PICC line terminates in the right atrium . No pneumothorax . Multiple bilateral pleural plaques are again seen . Postoperative enlargement of the cardiomediastinal silhouette is expected . Either a possible pneumoperitoneum or right basilar pneumothorax is seen and difficult to evaluate on this portable exam . ( Upon discussion with ___ resident , patient had a PEG placed , which may account for this finding . )
    OUTPUT:
    
1 . Bilateral perihilar opacities are increased , concerning for increased pulmonary edema or pneumonia 2 . Small to moderate bilateral pleural effusions , left greater than right , and bibasilar and retrocardiac atelectasis are mildly worse since earlier same day chest radiograph . 3 . Possible air under the right hemidiaphragm or right basilar pneumothorax is difficult to evaluate on this limited portable exam .