i have this lump under my skin on my left under arm,its more so all the way on the left side under that arm.its been there a while.i went to the dermatologist and he just looked at it with that light on his head,and said it was a bingn (i know i didnt spell that right) and its nothing to worry about.
how can he tell just by looking at it that its ok?
It could be a sweat gland? Sometimes mine swell up and go hard and become painful, usually when I've overdone the deoderant! Try changing or going easy on deoderant/anti-perspirant for a while and see if it goes down.
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