This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemotherapy, Subject name: Pharmacology
All-trans-retinoic acid is used in treatment of 
Select and explain. 
A. Acute promyelocytic leukemia, B. A.L.L, C. CML, D. Transient myeloproliferative disorder
A: Acute promyelocytic leukemia
Answer: A: Acute promyelocytic leukemia 
Explanation: Ref: Harrison 17th/389,447 All-trans-retinoic acid is used in the treatment of acute promyelocytic leukemia.