Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A semi-erect frontal chest radiograph demonstrates an endotracheal tube terminating 4 .6 cm above the carina and nasogastric tube terminating within the stomach . Lung volumes are slightly low , with mild prominence of the cardiac silhouette and bronchovascular crowding . There is mild vascular congestion . Patchy left suprahilar opacity could reflect asymmetrical edema or secondary process such as aspiration or infectious pneumonia The left hemidiaphragm is elevated , of unclear chronicity . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
1 . Endotracheal tube in standard the . 2 . Mild vascular congestion . Patchy left suprahilar opacity as described , for which attention on short - term followup radiographs is suggested . 3 . Elevation left hemidiaphragm of uncertain chronicity