http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=2198 2014 false true false France scientific and technical information cancer of esophagus esophageal neoplasms keratoderma, palmoplantar carcinoma keratoderma, palmoplantar, diffuse keratosis palmoplantaris with esophageal cancer syndrome