<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 70-year-old retired police officer is being evaluated for fatigue. A peripheral smear shows extremely elevated numbers of immature myeloid cells, which are positive for myeloperoxidase and a translocation t15,17. Which of the following statements is true regarding his condition?? A: This condition is also developed early in life in patients with Down syndrome., B: Myelodysplastic syndromes may give rise to the condition., C: The patient can be treated with a vitamin A derivative., D: Auer rods are responsible for gum hyperplasia and bleeding., E: Philadelphia chromosome may be seen and indicates a poor prognosis.,  <response>: This is a medical question asking about a 70-year-old man with fatigue who has elevated immature myeloid cells with a t15,17 translocation. This description is classic for acute promyelocytic leukemia APL. Choice A is incorrect because Down syndrome patients get a different type of leukemia acute myeloid leukemia. Choice B is incorrect because myelodysplastic syndromes can progress to AML but not specifically APL.Choice C is correct. APL is treated with all-trans retinoic acid ATRA, a vitamin A derivative. Choice D discusses Auer rods and gum issues which are not relevant to APL.Choice E discusses the Philadelphia chromosome found in chronic myelogenous leukemia, not APL.C: The patient can be treated with a vitamin A derivative. 