Sore Spot On Stomach I Have A Sore On My Stomach, Its Red And Has White Puss Looking Spot On It Any Ideas On What It Might Be?

I have a sore on my stomach, its red and has white puss looking spot on it any ideas on what it might be? - sore spot on stomach

Also have not had a period of several years, but now I'm spotting occasionally consult a doctor? I do not want a hysterectomy