Proceedings: Endoscopic diagnosis in gastrointestinal cancer.
D003110:Colonic Neoplasms / Q000175:diagnosis; D004379:Duodenal Neoplasms / Q000175:diagnosis; D004724:Endoscopy; D004938:Esophageal Neoplasms / Q000175:diagnosis; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D008722:Methods; D013274:Stomach Neoplasms / Q000175:diagnosis