Hi! @eightdays
I have read your intro post along with this post. You must be feeling a little ripped off being back on the roller coaster.
No doubt your profession will be an advantage however you are the patient who needs to keep away from Dr Google!
The source that should prove helpful is the BCNA website. Here's a link which also has a link within to understand the pathology
https://www.bcna.org.au/understanding-breast-cancer/what-is-breast-cancer/And another on the Hormone side of it
https://www.bcna.org.au/understanding-breast-cancer/treatment/hormone-therapy/As to the ovaries that's a question for the Oncologist. I had zoladex injections and eventually the ovaries shrunk! Yay! But we are all different so try not to get too ahead of yourself, knickers in a knot!
Take care