Question 1: A 62-year-old male with a history of fatigue presents to his primary care office. A complete blood count was performed and showed a hemoglobin of 7.4 grams/dL, mean corpuscular volume (MCV) of 65.6 femtoliters, and platelet count of 50/microliter. The peripheral blood showed less than 1% circulating blasts. This prompted a bone marrow biopsy, which showed 17% ringed sideroblasts and 12% dysplasia in the erythroid lineage (see image). Based on the clinical information and bone marrow biopsy, what is the most useful molecular test for determining survival?
Choices:
1. G742D
2. SF3B1
3. ETV6
4. PDGFRB
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