Oncology Questions? Ask an Oncologist for Answers ASAP
This is Dr. David
it could be cancer
I see you have tried antibiotics already for a possible breast infection
you need a mammogram and a breast ultrasound and arm pit ultrasound to check what is that lymph node in your arm pit.
you may need a biopsy of the lump and arm pit lump to know for sure what is inside
have you had a mammogram and ultrasound of your breast yet?