Setsuo Sekine

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CONTEXT Gastric cancer is the second most common cause of cancer related death worldwide. Although Helicobacter pylori has been classified as a class I carcinogen, the presence of infection is not a factor that alone is able to lead to gastric cancer, and one of the possible explanations for this is the existence of different strains of H. pylori with(More)
UNLABELLED Cancer of the esophagus becomes symptomatic at an advanced phase with a late diagnosis, when the tumor is already incurable. Early diagnosis has been shown to improve the survival rates. Conventional esophagoscopy is largely available but its sensitivity to detect early cancer or precancerous lesions remains controversial. In this study we tested(More)
BACKGROUND Short segment Barrett's esophagus is defined by the presence of <3 cm of columnar-appearing mucosa in the distal esophagus with intestinal metaplasia on histophatological examination. Barrett's esophagus is a risk factor to develop adenocarcinoma of the esophagus. While Barrett's esophagus develops as a result of chronic gastroesophageal reflux(More)
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