Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of an endotracheal tube terminates appropriately 4 cm above the carina . Lung volumes are low . There is no effusion , area of consolidation , or pneumothorax . Lobular upper mediastinal contours are related to intravascular volume status .
    OUTPUT:
    
Status post endotracheal intubation . No acute cardiopulmonary process .