Multiple myeloma is a cancer of the bone marrow currently without cure. it affects primarily older individuals: it is rarely diagnosed in individuals under 40 years old, and its incidence rate (the nu

Multiple myeloma is a cancer of the bone marrow currently without cure. it affects primarily older individuals: it is rarely diagnosed in individuals under 40 years old, and its incidence rate (the number of diagnosed malignant cases per 100,000 individuals in the population) is highest among individuals 70 years of age and older. how would you describe the shape of the distribution of incidence rate of multiple myeloma by age at diagnosis? explain.