Breast cancer, pagets? Warning nipple pic!!

I was diagnosed with a benign breast tumor 2 years ago, and kind of put it out of my mind since but after a bout of thrush I'm starting to think it was a misdiagnosis or something new is happening. My son and I were both treated for thrush, hes all clear and my left side is completely clear. My left side however has only gotten much worse, even after multiple treatments of different prescriptions. After doing some research I'm terrified its pagets disease of the nipple. Has anyone had experience with pagets or misdiagnoses of a breast lump?