i dont want my mom to have breast cancer:(?

[googie]

my mom doesnt have breast cancer but 2 years ago she had pre breast cancer cells witch she had surgery and now there gone but im only 13 and what if my mom does get breast cancer?im really scared its all i ever think aboutand she said not to worry because as long as she goes in for daily check ups and stuff then she'll be okPLEASE make me feel better dont say anything that will scare me