I have had this happen with other diagnoses and the pdoc explained that two things can happen. One is that there is dissociation and the mind's protection from the events. The other is actually more like a peaceful resolution within our minds at this moment in one's life that it is not causing an issue and is not in the forefront of our memories for recall and to relive. It is not uncommon or unusual. There may be future triggers that change it, but is a sort of settling of our minds. As far the dissociation goes, that is another story and something to discuss further with a T or counselor.

If it bothers you, I would discuss it with someone. Otherwise, it may just be to that point in this moment that everything is ok. I have been to this place a few times when the events and the PTSD have not been at the forefront, have all but disappeared to some extent like a faded memory, but have unfortunately resurfaced with a venegence in my case. I hope you are having one of those first moments, are ok, and that it continues.