@Della I can understand you are worried about the DCIS, estrogen receptive positive tumor could reach your lymph nodes by the time you have surgery. I can tell you that the breast I had the DCIS, ER + tumor at diagnosis was not in my lymph nodes and did not reach my lymph nodes in the 2 months I waited for surgery. It was the HER2+ tumor on the other breast that had already reached my lymph nodes at diagnosis. In my case it took just over 4 weeks for the clinical staging, then I was placed on the Category 1 list, which meant the public system then have to do the breast surgery within 4 weeks. Please push for a date for surgery, because perhaps slightly longer now due to COVID.
It is often the clinical staging that can take 4 weeks in the public system before we get placed on the Category 1 list. As you have seen it is the drawn out line up of the tests and appointments that make its usual for the longer wait in the public hospital system. I am still on a waiting list for knee surgery and it has been 2 years already. Which State are you in?
Best wishes.