Breast Cancer Survival Rates

BREAST CANCER NEED INFO!?
My grandmother (60ish years) was diagnosed with stage 3 breast cancer last week, basically I need some information about the cancer itself, statistics, survival rates, nobody really knows anything!
I am a cancer survivor breast. His nan must have a mastectomy. I hope you suggested. However, in stage 3, which might have spread to other areas, I pray I'm wrong, cancer is the more nasty virus or disease that is in my opinion. Most likely, she received chemotherapy or radiation. I expect chemotherapy in stage 3 all depends whether the tumors are. If she has a mastectomy, you definitely will remove the lymph nodes under the arm, because that's the first place breast cancer attacks. I had mine removed. For more information, please, please contact me. I have much to offer you and want to help as much as you can. God bless his nan.