| AAPC | average annual percent change |
| AC | adenocarcinoma |
| ASR | age-standardized rates |
| CI | confidence interval |
| CI5 | Cancer Incidence in Five Continents |
| CROSS | ChemoRadiotherapy for Esophageal cancer followed by Surgery Study |
| FLOT | fluorouracil plus leucovorin, oxaliplatin, and docetaxel |
| GERD | gastro-esophageal reflux disease |
| GHO | Global Health Observatory |
| NORDCAN | Nordic Cancer Registries |
| SCC | squamous cell carcinoma |
| SEER | surveillance, epidemiology, and end results |
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