It has been shown that a preoperative visit with the anesthesiologist immediately before surgery may serve as a powerful anxiolytic itself.

经示，术前一刻麻醉医生访视本身就是一副强有力镇静药。

Objective The aim of this paper is to study the value of preoperative lymphography and radionuclide imaging for rectal cancer patients.

目评价直肠癌病人术前淋巴管造影和放素淋巴像临床价值。