幽門桿菌感染不會增加下列何項疾病發生之危險率?
消化性潰瘍(peptic ulcer)
賁門部胃癌(cancer of gastric cardia)
遠端胃癌(adenocarcinoma of distal stomach)
胃黏膜相關淋巴組織淋巴癌(lymphoma arising from mucosa-associated lymphoid tissue)