问题
多项选择题
溃疡性结肠炎的病理改变主要有（）
A.病变多数在右半结肠
B.病变在肠道呈连续性分布
C.肠道病变一般局限于黏膜和黏膜下层
D.可形成炎性息肉
E.大多数患者都发生癌变
答案
参考答案：B, C, D
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溃疡性结肠炎的病理改变主要有（）
A.病变多数在右半结肠
B.病变在肠道呈连续性分布
C.肠道病变一般局限于黏膜和黏膜下层
D.可形成炎性息肉
E.大多数患者都发生癌变
参考答案：B, C, D
| 补全对话。 根据对话情景和内容，从对话后所给的选项中选出能填入空白处的最佳选项。 | |
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