only curative treatment for cmml. however, due to the late age of onset and presence of other illnesses, this form of treatment is often not possible. epidemiology there have been few individual epidemiological studies of cmml, due to the difficulty in the disease classification. cmml has an estimated incidence of less than 1 per 100,000 persons per year. the median age of diagnosis is 65–75. cmml has a propensity for males rather than females, at a ratio of 1.5–3:1.