Hi, dear I have gone through your question. I can understand your concern. You have thrombus in your leg. There is chance that thrombus detached small pieces of blood clot in circulation and goes to lung. It is known as thromboembolism. You should take warferrin to prevent embolism. You can take hot bath. No any harm in that. Consult your doctor and take treatment accordingly. Hope I have answered your question, if you have doubt then I will be happy to answer. Thanks for using health care magic. Wish you a very good health.