Conclusion CT is valuable for diagnosing upper gastrointestinal tract invasion by carcinoma of gallbladder, yet the diagnosis of hepatic flexure of colon invasion is still difficult. 结论CT对判断胆囊癌是否侵犯胃和十二指肠有一定作用，但是对结肠肝曲受侵较难准确诊断。
Areca catechu L.increased markedly the propulsive movement of gastrointestinal tract in mice. 槟榔对小鼠胃肠推进运动有显著加强作用 .
Objective To study the spiral CT features of gastrointestinal invasion by carcinoma of gallbladder. 摘要目的探讨胆囊癌侵犯胃肠道的螺旋CT表现，以提高对本病的认识。
The purposes of the present review is to examine recent advances in techniques of EMR and ESD in treatment of gastrointestinal tract neoplssia. 现就EMR、ESD在消化道肿瘤治疗中的应用现状和进展作一综述。
Objective To analyze effects of three-step analgesic ladder for the treatment of advanced carcinoma of stomach. 目的分析晚期胃癌三阶梯止痛治疗的临床效果。