August 2013? you shouldn't have any discomforts now? That was a year and 5 months ago?
Please consult your doctors and ask about EECP treatment. That will surely help.
Your comment brings back memories. The plates are wired together, an x-ray gives a graphic that makes this clear. Some people, I know, have a lot of movement, I think it is how tight the wires were applied. The President of the company I worked for and I were admitted and had bypass within days of each other, his chest shifts around a lot, mine is tight. I have those bumps and lumps, he doesn't. In my case, some of the bumps are just the wires, but a couple of them were stitching material that didn't dissolve and had to be fished out, not a big deal, but relieved a lot of pain. The leg issue where the vein was harvested, I think it varies from patient to patient. I hope you have brought this up with your surgeon for his/her ideas. Another issue that can come up, it sure has in my case, is that you can get a 'bulging' along the scar, which is a hernia of sorts, and can get very sore, especially when coughing. There is talk about putting some kind of patch over it. Hope that helps a bit, do keep us informed, it will help us all.