This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Chromosomal translocation characteristic in acute promyclocytic leulamia \nSelect and explain. \nA. + (15;17), B. + (22;9), C. + (21;17), D. + (9;22)', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In Aml with +(15;17), acute promyelocytic leulamia (M3 stage), auer rode present (most common stage associated with DIC).', 'role': 'assistant'}]