西德《医学临床》第75卷第14期(1980年)报道:在西德,每年约有8,000多人死于直肠癌。由于直肠癌的局部复发率很高,其预后情况往往不佳。近年来人们探讨过,能否通过手术前先进行放疗来降低其复发率;由于目前尚未进行大量的统计工作,暂时还不能得出结论。但人们认为,术前进行放疗对改善预后情 West Germany’s Clinical Journal, Vol. 75, No. 14 (1980) reports that in West Germany, approximately 8,000 people die of rectal cancer every year. Due to the high rate of local recurrence of rectal cancer, its prognosis is often poor. In recent years, it has been discussed whether or not radiotherapy can be used to reduce the recurrence rate before surgery. As a large number of statistical work has not yet been carried out, it is not yet possible to reach a conclusion. But people think that preoperative radiotherapy can improve the prognosis