Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable chest radiograph was provided . The endotracheal tube is positioned low with its tip at the carina . Retraction by at least 3 cm is advised . The NG tube courses inferiorly into the upper abdomen , though the tip is excluded from view . The heart is mildly enlarged . Perihilar opacities could represent bronchovascular crowding . No consolidation or effusion / pneumothorax . Bony structures are intact .
    OUTPUT:
    
Low - lying ET tube which requires retraction by at least 2 - 3 cm for more optimal positioning . Findings were posted and flagged to the ED dashboard at the time of this dictation .