Esophageal cancer.
D003131:Combined Modality Therapy; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000235:genetics / Q000473:pathology* / Q000628:therapy; D006801:Humans; D015994:Incidence; D009362:Neoplasm Metastasis; D009367:Neoplasm Staging; D016032:Randomized Controlled Trials as Topic; D015996:Survival Rate