My five month old has a marble sized lump near her bottom nipple. It appeared overnight while she was at the kennel (she is the kennel mascot and spends all her time with the owner). It is firm but not rock hard. It doesn't appear to hurt her and she's not bothering it. I noticed it when I picked her up yesterday.
She's still young so it can't be related to heat nor is it hard like a cancer lump. I'll call the vet tomorrow but just wondering if anyone might know before I can get her in.
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