Hi i have li- fraumeni syndrome and i live in canada i had my diagnostic in 2016 because my twin sister die after having breast cancer at 24 and multiples metastases in her brain in 2018 ... i have really poor investigation i would like to know what exacthly my doctor need to screen cause she said to me i have nothing but i m scare i m 37 ... and not a lot of test also i m a novo variation because nobody in my familly have it just me and my dead sister