Dansk - So glad that you are doing so well!!
Anaemia is a side effect of some chemotherapy also. Without blood transfusions recovery can be more uncomfortable.
Though it is possible to treat cancer patients without blood transfusions, the side effects can be far more dangerous without the back up of blood.
BUT ... I do remember a very negative Watchtower or Awake article on blood treatment for cancer patients which said that such patients were far less likely to survive treatment than those who had not received blood. I think it was from a medical study in Canada. But, not all medical studies draw correct conclusions. Even so, it was still fully quoted in the back of a mag.