Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube tip terminates 4 .2 cm from the carina . Enteric tube courses below the left hemidiaphragm , through the stomach with tip off the inferior borders of the film . Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Linear opacities in the right mid and left lower lung fields likely reflect areas of subsegmental atelectasis . No large pleural effusion or pneumothorax is identified . No grossly displaced fracture is present .
    OUTPUT:
    
Standard positioning of the endotracheal and enteric tubes . Bibasilar atelectasis .