[Endoscopic treatment of digestive system cancer].
Fujita
R
R
D003110:Colonic Neoplasms / Q000601:surgery*; D016145:Endoscopy, Digestive System; D004938:Esophageal Neoplasms / Q000601:surgery*; D006801:Humans; D013274:Stomach Neoplasms / Q000601:surgery*