Dermatofibrosarcoma protuberans

Hi. I am confused if anyone can help. I had my right lower leg operated on to remover it also had skin Grafs done 13 yrs ago now.
I have searched all the site I can on it but none of the photos look anything like mine did. It was the size of a 5 cent price when I first
Noticed it but it was an indent it the skin that had the color of a bruise. If I touched it it would be sore but just learnt to live with it.
No doctor back then knew what it was, then 13 yrs ago it grew into a lump and was very painful. So the doctors removed it and it was diagnosed.
Had second surgery to remove more of it. But I wondering why no one else's looks like mine did. I think it has returned today as I woke
Up in pain and a res lump on it. I really hope not as I have panic attacks when I in hospitals