I know there are some who are still getting saliva function at a year or so. I'm only 6 months out from treatment, so I can't speak from my own experiences since I'm not that far out yet, but I'm sure others will chime in about that. As far as the swallowing exercises, I would suggest doing them. They will strengthen your swallow reflexes and hopefully swallowing the thicker stuff will get easier. Since you've been using the Peg tube for all your nutrition, I'm sure your tongue and those muscles have weakened so you need to get them back up to par. Also, try seltzer water to cut the thick saliva. I never used it, but I know several on here have. Do salt water and baking soda mouth rinses as well. I drink milk with all my meals (unless I'm out to eat) because it is thicker than water and seems to coat everything well. I'm sure others will have some good suggestions. And don't get discouraged, it takes time and work but you will get there!