Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates increased opacification of the bilateral bases , left greater than right , which likely represents atelectasis and / or aspiration . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax , pleural effusion , or consolidation . The endotracheal tube ends 6 .7 cm from the carina . A nasogastric tube courses into the stomach and out of the field - of - view .
    OUTPUT:
    
1 . Increased opacification of the bilateral bases , left greater than right , likely represents atelectasis and / or aspiration . 2 . Endotracheal tube ends 6 .7 cm from the carina and should be advanced for more secure seating .