SEER is an authoritative source of information on cancer incidence and survival in the United States. SEER currently collects and publishes cancer incidence and survival data from population-based cancer registries covering approximately 28 percent of the U.S. population.
(This code is effective for cases diagnosed 2010 and later. For cases diagnosed prior to 2010, see code 9801/3.)
Although this leukemia meets the criteria for assignment to both T and myeloidlineage, the blasts lack the geneticabnormalities. There are no unique clinical features for this leukemia.