Is superficial squamous cell carcinoma of the esophagus a disease of the Western World?
D002294:Carcinoma, Squamous Cell / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology* / Q000601:surgery; D004938:Esophageal Neoplasms / Q000145:classification / Q000175:diagnosis / Q000453:epidemiology* / Q000601:surgery; D004945:Esophagoscopy; D006801:Humans; D011379:Prognosis; D012306:Risk; D014481:United States