Of course all the scientific language is new to me but I’m beginning to understand it more as I read studies etc. I am not a medical professional but this is what I have gathered… please continue to check with your physicians for accuracy.

My understanding is that “ distant “ refers to a metastatic cancer of the tumor removed ( secondary to and related to the original cancer showing up elsewhere in the body).
A new cancer in a second breast would be a new “primary cancer” . My breast surgeon told me that a primary cancer does NOT jump to a second healthy breast.