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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The blast cells of acute lymphocytic leukemia in childhood contain
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The correct answer is  CALLA (common acute lymptoblastic leukemia antigen) is CDIO
CALLA positive acute leukemias have best progrosis.