When i joined a couple of weeks ago, i had been diagnosed with grade 3 DCIS on left breast and a small area circa 5 mm diffuse DCIS on the right. I had been to multiple mammograms, ultrasounds, MRI, 4...
As has been said, unfortunately it's not unusual at all. I thought mine was quite small and had not travelled and had the most beautiful lumpectomy only to be told a few days later that I had to go back in for a mastectomy and axillary dissection. @primek has given you some good sites for information. Try to take it a day at a time, focus on the positive if you can - you're doing what needs to be done. We're here if you need us for info, to chat or to rage.