结肠腺癌，呈外生性生长，因此梗阻就成了它的一个并发症(通常是部分性梗阻)。

Here is another example of an adenocarcinoma of colon. this cancer is more exophytic in its growth pattern. thus, one of the complications of a carcinoma is obstruction (usually partial).

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因此，左半结肠的癌变更有可能导致部分或完全性肠梗阻。

Therefore, cancers of the left colon are more likely to cause partial or complete bowel obstruction.

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结论永久性部分覆膜镍钛合金内支架置入术是消化道恶性梗阻和食管-支气管瘘的有效治疗方法，操作简便，安全性高。

Conclusion it is an effective, easy and safe method to treat malignant obstruction of digestive tract or esophago-bronchial fistula using partially covered nickel-titanium alloy stent.

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