watchful waiting
noun [ U ] medical specialized uk/ˌwɒtʃ.fəl ˈweɪ.tɪŋ/ us/ˌwɑːtʃ.fəl ˈweɪ.t̬ɪŋ/
观察等待治疗
a way of treating a medical condition that involves a period of waiting and watching for further symptoms (= signs of disease) to develop, rather than immediate treatment such as surgery or chemotherapy
More men with low-risk prostate cancer are now opting for watchful waiting rather than undergoing surgery. 现在，越来越多患有低风险前列腺癌的男性选择接受观察等待治疗，而不是手术。
Compare: active surveillance