The gastroesophageal vestibule on roentgen examination: differentiation from the phrenic ampulla and minimal hiatal herniation.
D002648:Child; D003964:Diaphragm; D004947:Esophagus / Q000033:anatomy & histology*; D006547:Hernia; D006548:Hernia, Diaphragmatic; D006801:Humans; D007223:Infant; D013270:Stomach / Q000033:anatomy & histology*
ESOPHAGUS/anatomy and histology; HERNIA, DIAPHRAGMATIC/in infant and child; STOMACH/anatomy and histology