I didn’t have any breast cancer symptoms until early 2019. Then, a lump the size of a lime popped up on my right breast, seemingly overnight. I hadn’t been able to feel it before that because it was growing so deep below the surface.

I went to my OB/GYN the day after I discovered it. She immediately referred me to a breast surgeon, who ordered an ultrasound. A few days later, I had a biopsy, and the following week, I received my...