[Endoscopic diagnosis of gastric cancer].
D003581:Cytodiagnosis; D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000175:diagnosis; D004945:Esophagoscopy; D005336:Fiber Optic Technology; D005773:Gastroscopy; D006801:Humans; D012509:Sarcoma / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis*; D013690:Television