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

Been getting open sores on my breasts for about a year now. : r

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Sore under my breast

Painful Ulcerating Lesions on the Breast

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Intertrigo

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Rash under the boobs

Rashes Under the Breasts – Cottonique - Allergy-free Apparel