Surgery is tied to improved chances of survival among stage 4 breast cancer patients, a new study suggests, but who has access to surgery and who doesn't can vary drastically, based on factors including income level and where treatment is administered.
원문출처 : https://www.cnn.com/2019/04/02/health/breast-cancer-survival-surgery-study/index.html
원문출처 : https://www.cnn.com/2019/04/02/health/breast-cancer-survival-surgery-study/index.html