When cancer spreads to the bone, it’s called “bone metastases.” If this occurs, you will be told you have “metastases,” “metastatic cancer,” or “stage 4 (IV)” cancer. The word “advanced” is also used to describe these cancers.

If left untreated, anemia can interfere with treatment and strain the heart and lungs. Fortunately, there are treatments for anemia including blood transfusions or medications that encourage the growth of red blood cells, which supplies the body with oxygen.