United Kingdom, Dec. 22 -- Jessie J wants to "change the narrative" for people diagnosed with cancer.

The 37-year-old singer underwent a mastectomy and reconstructive surgery in June after being diagnosed with breast cancer and she's proud to have been open about her health struggles in order to encourage other women to check their breasts.

She told the new issue of Women's Health magazine: "Surely this is an opportunity to change that narrative: 'Oh, if you've got cancer, you should go away

and deal with it privately, quietly. No one should know about it. No one wants to see you look rough. And come back when it's all done, and everything's great.'

"That ain't me. Even when I had the miscarriage, I did a show the next day. I sat on s...