How long after being diagnosed with BC did u have/start treatment?

Thanks everyone for responding. It's reassuring. Im 38 and have been diagnosed with dcis and invasive carcinoma NST.  Dense breast and a bunch of other precancerous cells. I am told im a rare case as i have no lump or mass and its visible only on mammogram. The mammogram says 3cm and the mri 7cm. I have had 3 core biopsys with 4 or 5 samples taken each time. But they havent managed yo get another samplr since the first one. I was referred to a surgeon who told me i had cancer then said sorry i didnt i had norhing to worry about and gave me a refferal for a biopsy only to be called 1 hr before my appointment to say the refferal was guided by ultrasound and it cant be seen like that so not to come. I ended up organising rhe correct one myself and going to get the refferal from my doc that morning.  This process was 6 weeks after my abnormal results.  I changed hospital saw another surgeon who said chemo then masectomy go away and think about it i will see u in 5 weeks.  Hence the next biopsys to check hormones for chemo. Now they still have none and are unsure of the size of this thing. Im going for excisional hook wire biopsy on 1st june. Oh and they will check my lymph nodes then