Small bump/lump under old sore/scar?

While pregnant 9 months ago, I developed sores all over that the doctor said was PUPPS. I'm sure it wasn't but whatever...now I'm noticing a lump/bump under one of the sores in my upper thigh. Is it a lymph node or something else? Scared to go to the doctor for it because I can't deal with anymore... show more While pregnant 9 months ago, I developed sores all over that the doctor said was PUPPS. I'm sure it wasn't but whatever...now I'm noticing a lump/bump under one of the sores in my upper thigh. Is it a lymph node or something else? Scared to go to the doctor for it because I can't deal with anymore bad new. A friend said it could be a hair follicule but no hair has ever grew there. Thanks in advance.
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