Leukemia in general how long the elderly can live

Leukemia is once the development of uncontrollable, generally can only survive 4 years. Leukemia patients do not do treatment, then, can live with the disease for 2~3 years. But because of the different age groups of the onset of leukemia, the patient's physical differences in all aspects, the specific survival time and the quality of survival are poor, the proposal is to talk to the hospitals specializing in blood diseases to ask.