美国的研究人员近日报道,原发性癌症治疗之后对病人进行密切监测时发现,在有疾病史的患者中,继发的原发性结直肠癌的发生率较高。美国Helen和Harry癌症研究所的Robert Green报道说,结直肠癌复发的危险性高于以往信息数据中预测的比率。Green教 US researchers recently reported that patients closely monitored after primary cancer treatment found that the incidence of secondary primary colorectal cancer was higher in patients with a history of disease. Robert Green of the United States Helen and Harry Cancer Institute reports that the risk of recurrence of colorectal cancer is higher than predicted from previous informative data. Green teach