Breast cancer

I have performed surgery to remove a breast tumor and then I have analyzed the hormones and the result as follows:
(ER status: positive 70% (total score 7/8
(PR status: positive 70% (total score 7/8
immunostaining for c-erb B-2 (HER2 / neu): negative (score 0)
ki-67 status: positive 2% (tumor with a low proliferative index)
please, Can you reassure me?
thank you