Biopsy + breastfeeding

Hello all! I’ve been breastfeeding for 2 months now. & this May be a long shot but I have a couple concerns. Back in November I had my son and when we got discharged from the hospital I realized a lump in my left breast. I figured then that it was probably just a clogged duct or whatever. So I kept massaging it in the shower and it’s still here after 2 months! I went to get it checked out. Got a breast ultrasound and a mammogram done. And I was told that I have dense breast tissue and they would need to do a biopsy to see what the lump really is. Now.. my question is.. (again, I know this is a long shot) will I still be able to breastfeed my son on my left breast?