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1 Clinical data rnA man aged 40 years old was admitted to our hospital for 10 days due to aggravation of satiety of upper abdomen as well as vomiting, nausea. Satiety developed without apparent predisposing cause 2 months ago and aggravated after meals. Nausea and vomiting occurred 10 days ago,2 to 3 times a day. After a period of time, dry vomiting became predominated accompanied by occasional dull pain of upper abdomen.rn