An increasing body of evidence suggests that all of us have cancer cells in our bodies at times during our lives. 越来越多的证据表明,我们所有人一生中体内时有癌细胞存在。
It has not been shown to cause cancer, and it passes quickly out of the bodies of humans and other mammals. 它未显示出会致癌,而且能够从人类或其它哺乳动物体内迅速排出。
Surgical removal of part or all of the larynx ( usually to treat cancer of the larynx). Application of laryngeal endoscope in diagnosis and treatment of foreign bodies in the hypopharynx 为治疗喉癌进行的切除部分或全部喉咙的手术。喉内窥镜在喉咽部异物诊治中的应用
The previous research indicated that use of oral contraceptives ( OCs) increases the risk of cervical cancer. However, as ectogenesis female hormones, the effects of OCs may depend on the susceptibilities of bodies, type and dose of drugs and some other factors. 虽然有研究发现使用OCs的妇女患宫颈癌的危险性增加,但OCs作为外源性雌激素,进入体内后是否发生效应受机体敏感性及药物种类、剂量、时间长短等诸多因素的影响。