Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable supine frontal view of the chest . An NG type tube terminates over the stomach with its side port past the GE junction . The endotracheal tube ends approximately 4 cm above the carina . The lung volumes are low ; however , no chf , focal opacity , pleural effusion , or pneumothorax is detected . Retrocardiac opacity likely represents atelectasis . The heart size appears enlarged ; however , this is likely due to the technique . Rounded right paratracheal density could represent a proominent azygous vein or possibly a lymph node . There is no free air in the abdomen .
    OUTPUT:
    
1 ) Endotracheal tube ends 4 cm above the carina . The upper enteric tube ends in the stomach . 2 ) Atelectasis , without other evidence for an acute cardiopulmonary process . 3 ) ? prominent azygous vein .