preferred_name: Distance in cm of the z line from incisors in esophageal hiatal hernia
preferred_name_lc: distance in cm of the z line from incisors in esophageal hiatal hernia
label: Distance in cm of the z line from incisors in esophageal hiatal hernia
label_lc: distance in cm of the z line from incisors in esophageal hiatal hernia