他们研究调查了620位病人，他们都没有IBS病史或不良肠道情况，但是却因为一种病菌称为空肠弯曲菌患有胃肠炎。

They studied 620 patients who had no history of IBS or any serious bowel condition but came down with gastroenteritis caused by a bug called Campylobacter.

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病人带下面的诊断报告返回： 伴随空肠弯曲菌肠炎的严重出血胃息肉病。

The patient returned from diagnosis with the following report: severe, bleeding gastric polyposis with Campylobacter infection. A hospital bed was not available for her another two weeks.

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