Full tt 27 days post surgery: is this necrosis or scabbing? (Photos)

I am 27 days post tt and lipo. Around day 3 I developed a dark spot and my surgeon gave me a lotion and sent me to the hyberbaric chamber for two sessions, the spot has fade away however there is a brown spot down by incision line that isn’t going away and it’s been 27 days days post op . I’m worried this is necrotic tissue and it will have to be peeled and there will be a hole under it. Picture show before and after, thanks