Keep in mind, you will probably tire quickly at first, until your body readjusts to the increase in your exercise
is actually great for the liver and most doctors want you to exercise
. If you don't have any issues from anemia from treatment and you have no issues with your spleen, you can do anything you want w/regards to exercise. That said, check with your doctor first to make sure that the rest of your body is okay for exercise, i.e., your heart, lungs, etc.