Conclusion The lacrimal pathway obstruction after external dacryocystorhinotomy can usually be cured by the transnasal endoscopic examination and treatment.

结论对经外腔吻合术后道不通病例，内镜下对吻合口进行检查，针对不情况进行相应处理，常能使病人再次康复。

The fibrosis of liver not only causes chronic hepatitis, hypohepatia, and sequelae after cure, but also is the necessary process of hepatocirrhosis.

纤维化不仅造成慢、功能异常和影响愈后，而且是诸多慢病向硬化发展的必经阶段。