@pinkybarr your score is just over the line:

Women over the age of 50
For women over 50:

A score of 0–25 means you’re unlikely to benefit from having chemotherapy in addition to hormone therapy
A score of 26 or above means you’re likely to benefit from having chemotherapy in addition to hormone therapy
Women aged 50 or younger
For women aged 50 or under:

A score of 0–15 means you’re unlikely to benefit from having chemotherapy in addition to hormone therapy
A score of 16 or above means your specialist will discuss your test result with you to help decide if you’re likely to benefit from chemotherapy

I am not a doc and cannot advise. My cousin had a score of 35 and did three out of four chemo sessions then stopped. I think she got a 3% reduction in risk each time.