The spots that they saw on his lungs were in fact blood clots. However, they were old blood clots that his body has already taken care of. Since he had those clots in the past they are starting him on coumadin and he will have to take that for six months. It apparently takes a while to get in your system, so he'll have to take shots for a while. He should be discharged from the hospital today...he's just waiting for the nurse technician to show him how to do the shots.
Thank you for all of your prayers!