hello. I'm a 24 year old female, 5'5 weighing 150 lbs. A year ago I had a c-section. There was always a small bump below my scar. I figured it was a pimple, but its been there for months and last night I squeezed at it and nothing came out but a couple of hours later it grew about an inch. I'm very concerned. It doesn't hurt, but it won't go away, and when I bother it, it itches. Do you know what the cause may be? Should I be very concerned?