Early-Stage Breast Condition May Not Require Cancer Treatment -

Please forgive me not able to type in Chinese on working PC.

This is a paper deserve to read and to understand for early stage of breast cancer and overtreatment:

 

http://www.nytimes.com/2015/08/21/health/breast-cancer-ductal-carcinoma-in-situ-study.html?emc=edit_na_20150820&nlid=69848601&ref=cta&_r=0