Maybe it's just me, but two years seems like an awfully long time to be dealing with "underlying issues." I dunno.
For me, though I've been in therapy for two years, I'm still dealing with things that are a result of my confronting my trauma. For instance, my mind completely catonics whenever I see an image or hear a scenario about helplessness. That didn't happen before I started working with my first effective therapist. But, as you probably realize, the fear of helplessness was still in there, eating away at me. So in that sense someone might say that I am worse off than before therapy, but I'm not. The difference is now my problems are on the surface in plain view so I can actually see them for what they are. I couldn't develop effective coping strategies until I fully realized what it was I was trying to cope with. The "symptoms" of my therapy are still there, but I'm learning how to cope with those to. I guess it's a question of do you want to deal with PTSD your whole life or do you want to deal with healing your PTSD your whole life. Personally I'd pick the latter over the former any day of the week.
I don't know if that helps at all. Just my personal take on the subject if it means anything.