I would add Twilight Zone Tower of Terror (DHS). There's no overhead harness, but the multiple, sudden long drops would put lots of strain on your chest muscles and your newly healing incisions. It might be very painful for you.
Now I'm also thinking of rides like Star Tours (DHS) and Dinosaur (AK), where the ride vehicle moves violently up and down, and side to side. They are very rough, and the violent shaking might hurt. Add also the Kilimanjaro Safari in AK. Those buses ride over some very rough roads and you could be sore.
I guess a lot of it depends on you, how you are feeling post-surgery.