Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine portable view of the chest demonstrates endotracheal tube terminating 6 .2 cm above the carina . There is interval placement of the nasogastric tube , which is seen coursing through the esophagus , it s tip out of view . Low lung volumes . No pleural effusion , pneumothorax or focal consolidation . Perihilar vascular congestion . Hilar and mediastinal silhouettes are unremarkable . Heart size is normal .
    OUTPUT:
    
In comparison to study obtained one hour prior , there is no significant change in low lung volumes and mild perihilar vascular congestion .