Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient has been intubated since the prior study . The endotracheal tube terminates about 3 cm above the carina . A central venous catheters appear unchanged . The cardiac , mediastinal and hilar contours appear stable . The lung volumes are low . There is no pleural effusion or pneumothorax . There is a mild interstitial abnormality suggesting vascular congestion , but otherwise clear lungs .
    OUTPUT:
    
Status post endotracheal intubation . Mild vascular congestion .