结论肿瘤是引起小肠出血的主要原因，其次为小肠憩室、炎性肠病及血管病变。
Conclusion Tumor is the most common cause of small intestinal bleeding. Other causes are small intestinal diverticulum, inflammatory small intestinal diseases and angiodysplasia.
结论肿瘤是引起小肠出血的主要原因，其次为小肠憩室、炎性肠病及血管病变。
Conclusion Tumor is the most common cause of small intestinal bleeding. Other causes are small intestinal diverticulum, inflammatory small intestinal diseases and angiodysplasia.
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