so recently i was taking a shower when i found a bump under my armpit maybe about the size of a quarter and it was hard it scared me and my sister was saying it could be a thyroid or something so today i take a shower and it seems to maybe have gone down a little but now i have a bum near my butt close to my vagina same way except this one is a little more popped out i looked at it and its not puss filled or anything it hurts like a pimple though maybe size of a penny what can this be and should i worry? do they link together? ..im 17 by the way. please help im scared to go to the doctor but i was hoping to get some answers here first thanks.