Hi, I Have A Moveable Lump Between My Thigh And

Hi, I have a moveable lump between my thigh and groin area, right where the leg connects to the groin area, and its about the size of a fingertip and when pressed it moves and hurts a bit, I'm afraid there may be huge future problems that result from it. It doesn't hurt when I live my everyday life as of now, I can exercise and do stuff, but when you press it, it hurts as a 5 on a scale from one to ten and it moves like pressing on jelly or something.