Quality of Life - at least ask the questions and if they hint that you shouldn't take HRT, then ask what they suggest to ease symptoms instead?
Don't wait until you are desperate, point out that 'the bus' might be along sooner than any repeat episodes of cancer ………. and ask what Research they are quoting if they hint that you shouldn't take HRT? If necessary ask and ask and ……….. because HORMONES can cause awful symptoms whereas risking treatment will give you a quality that you may be able to life with

I was told no HRT in the 1990s, the cancer was in the lump removed not the breast tissue. I was unable to tolerate
Tamosxifen [it nearly killed me

] and I use local HRT for vaginal atrophy.