@moables011, have you thought about seeing a dermatologist or a specialist? I have no medical training or background but it definitely looks like something that should not be ignored so it's good to be trying to figure out what the cause is. I found a similar picture of a venous leg ulcer.

Leg Sore Won’t Heal? Why You Should Never Ignore It
-- https://health.clevelandclinic.org/leg-sores-wont-heal-whats-causing-your-venous-leg-ulcers/