CardiaGreek WorldStomach NeoplasmsEsophageal NeoplasmsAdenocarcinomaEsophagogastric JunctionEsophageal AchalasiaHistory, AncientHistory, MedievalCyprusBarrett EsophagusEuropean Continental Ancestry GroupAfrican Continental Ancestry GroupRisk FactorsMetaplasiaMediterranean Islandsgamma-CrystallinsIncidenceTranslationsGastroesophageal Reflux