It's treatable and beatable. It will take all the patience and understanding you've got to bear with her during treatment. You need to be as strong as her, cause she's going to need you. Friends and family can seem overwhelming at times. They're just trying to help. I was secretly throwing away bunches of cassaroles and soups and baked goods. Simply because there was too much of it.
The absolutely hardest thing I done was to help my wife shave her hair off. I made it through showing her how hair clippers worked. She thought hair clippers hurt because "little boys always cry when they get their hair cut". We joked about it for a few minutes, she settled down to watch TV. I went out to the back yard and cried like a baby, for hours.
My wife of 25 years had a lumpectomy, lymph nodes removed, almost a year of chemo and radiation. After 6 years, she is just as cute and mean as ever. Pic of her "new hair doo". Then, the 2nd pic,celebrating 5 year cancer free anniversary.