A stricture of the ESOPHAGUS. Most are acquired but can be congenital.
https://www.fimatho.fr/maladies-rares/oesophagiennes/stenoses-congenitales-de-l-oesophage 2019 France popular works congenital stenosis of esophagus esophageal stenosis Esophagus Esophagus
--- http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=2724 2014 false true false France scientific and technical information aorta esophageal stenosis stenosis, nos BADS syndrome BADS syndrome syndrome
--- http://www.academie-chirurgie.fr/ememoires/005_2014_13_2_011x022.pdf 2014 false false false France French child esophagoplasty journal article caustics esophageal stenosis infant adolescent