title: [Multicentric carcinomas of the esophagus and multiple primary carcinomas of the esophagus and the upper alimentary tract (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D002681:China; D004067:Digestive System Neoplasms / Q000453:epidemiology*; D004938:Esophageal Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000453:epidemiology*