Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A nasoenteric catheter courses below the diaphragm and is well into the stomach , though the tip is indistinct . Lung volumes are low , and there is probable bibasilar atelectasis . Moderate cardiomegaly is noted . Upper lungs are clear . There is no pneumothorax . No large pleural effusion is identified . There is a probable residual hiatal hernia .
    OUTPUT:
    
Nasoenteric catheter below the diaphragm and well into the stomach , though the tip is indistinct .