While waiting for feedback from Dr. Cardenas, I took the front-view photo that I sent him and attempted virtual FFS on my own in Photoshop. Here's the "before and after" animation:
Yes, I know that the result doesn't look "real." It's because I made the transformation using primarily the Smudge tool (and, on occasion, Dodge and Burn and Clone Stamp). The point is simply to illustrate the contours and proportions of my would-be post-op face. It's not as good as the work of Alexandra Hamer (virtualffs.co.uk), but I'm very satisfied with the result, and I've saved myself $100. I would be happy if the surgery achieved anywhere near this rendering.