The common presentations of gastrointestinal metastasis are bleeding , abdominal pain , obstruction , and perforation with peritonitis 常见胄肠转移之表现有出血、腹痛、阻塞、破裂并发腹膜炎。
2.
The most common metastatic site is the small bowel , with the jejunum slightly higher than the ileum , and there are sporadic case reports of the duodenum , esophagus , stomach , large bowel , and anus 肺癌合并胃肠道转移以小肠最多，其中空肠发生率略多于回肠，至于十二指肠、食道、胄、大肠与肛门则极为少见。
3.
We present a case of mature teratoma of the anterior mediastinum with carcinoid tumor arising in association with gastrointestinal epithelium , confined to the mass , and review the associated literature 在此我们提出一位自前纵膈腔之成熟畸胎瘤的胄肠道细胞生成之类癌瘤，并回顾历年来与此病例相关的文献报告。
4.
This article firstly introduces some basic concepts about network management , then the protocol standard of simple network management protocol ( snmp ) . this article emphasis on the implementation of snmp under windows operating system 本文深入研究了简单网络管理协议的3个版本的snmp协议标准，重点介绍kill安全胄甲防病毒软件的killsnmpagent代理软件在windows下的实现，并介绍了网络管理软件的开发流程。
