Open sores under breast? (Pics)

So I've just been checking for lumps and am a bit alarmed to have found these two wet looking swollen lumps on the underside of one of my breasts

Chronic non-healing wound under breast - Stock Image - C051/5744

I have developed an open sore under my left breast that continues

Breast Boil: Symptoms, What It Looks Like, Prevention, and Treatment

Sore on breast

Rash Under Breast: Causes, Treatment, and Prevention

I have this thing under my right breast and it's freaking me out

Hidradenitis suppurativa (HS) - NHS

Pictures of Inflammatory Breast Cancer - The IBC Network Foundation

13 Pictures of Common Skin Rashes