I Had A Egd Done This Moring Where They Take

I had a egd done this moring where they take a camera down my stomach they found a nother ulcer it is 1cm they also found they found it in the pylorus then it says on the paper they gave me additional findings include congestion and erythema then it says multiple cold forceps biopsies were preformed for histology in the stomach body and stomach antrum also double pylorus with the pyloric channel ulcer located near the superior channel orifice can you explain this to me please and why the did the biopsies and what congestion and erythema