Certain factors affect prognosis (chance of recovery) and treatment options for primary myelofibrosis. Prognosis (chance of recovery) depends on the following: - The age of the patient. - The number of abnormal red blood cells and white blood cells. - The number of blasts in the blood. - Whether there are certain changes in the chromosomes. - Whether the patient has signs such as fever, night sweats, or weight loss. 
What is the outlook for Primary Myelofibrosis ?