my question is should i get a 2nd opinon on the treatment plan. I read that it was not necessary for surgery and can be treat through hormones. Also it is less than a centimeter

I was diag. with breast cancer, lobular carcinoma in situ of the breast, stage 1, her2 neg, and I am schedule for surg. may 30 for a segmental mascetomy, and will have 5 weeks of radiation treatments.