Is it likely that i have breast cancer if the doctors took a mammogram, then an ultrasound, then a breast mri?

It's likely: That you have dense breasts, which in itself may be a br ca risk. They are chasing a suspicious finding. Usually the u/s gives sufficient imaging to nable a biopsy, and only that proves that you do or do not have cancer. Mr is indicated in dense breasts. It "sees" where mammo is blind, but it finds things that do not prove to be cancer in all instances. You do not have ca until they prove it.

Maybe: It is possibe that this could still be benign, it sounds like the docs are checking up on an abnormal mammogram finding. If it was highly suspicious, you would have already have had a biopsy. Hopefully you will get the results soon - get a biopsy if needed, or hopefully, be reassured that it looks ok and have appropriate follow-up scheduled.

You need to: talk to your doctor about what the findings suggest. The addition of the MRI to the mix could mean almost anything. It could mean that they really don't think there is anything going on, but just want to have a higher level of certainty about it, or it could mean there is something very abnormal, and they are trying to determine extent of disease. Again, call your doctor to find out.