Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to chest radiographs from ___ , there is little overall change . The patient is moderately rotated to the left , partially obscuring the left perihilar region . Increased retrocardiac opacity reflect atelectasis , though aspiration can not be excluded . Probable small left pleural effusion , new since prior . There is no central vascular congestion or overt pulmonary edema . No pneumothorax . Endotracheal tube is in unchanged position , with tip terminating approximately 2 .5 cm above the carina . Nasogastric tube stands below the level of the diaphragms , beyond the field - of - view . Right central venous catheter tip terminates in the lower SVC .
    OUTPUT:
    
1 . Increased retrocardiac opacity , which could reflect atelectasis or aspiration . 2 . New probable small left pleural effusion . 3 . No central vascular congestion or overt pulmonary edema .