hello, my boyfriend and i have recently noticed a few things in and around my vagina. there is one canker like sore on one side, it looks puss filled, a kind of yellowy colour, and on the other side there is a lump that stands out. The lump is not sore, but the canker on the other kills, it gives me discomfort, it doesn't hurt when i urinate but when water gets on it, it burns. What could this be caused from and is there anyway to get rid of it?