Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable view of the chest demonstrates ET tube terminating 2 .5 cm above the carina . A nasogastric tube is positioned in the stomach . Low lung volumes . Retrocardiac opacity obscures the left hemidiaphragm . Right lung base opacity is also noted . No large pleural effusion or pneumothorax . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal . There is no pulmonary edema . Partially imaged upper abdomen is notable for air - filled prominent stomach and bowel loops .
    OUTPUT:
    
1 . Endotracheal tube terminates 2 .5 cm above the carina . 2 . Bibasilar opacities , likely reflect atelectasis .