Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single portable chest radiograph was obtained . An endotracheal tube terminates appropriately for 4 .5 cm above the carina . An orogastric tube looped in the stomach and extends inferiorly out of the view . The tip of a left subclavian central catheter is within the left brachycephalic vein . There is a sharp angulation in the external portion of the catheter tubing . Lung volumes are low , accentuating the interstitial markings . Cardiomegaly is mild .
    OUTPUT:
    
Lines and tubes in appropriate locations . The external portion of the left subclavian catheter may need to be straightened .