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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.
user
Which one is the best prognostic factor for ALL?
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The correct answer is  d. Response to treatment(Ref: Nelson's 20/e p 2437, Ghai 8/e p 599)Discussing options one by one:a. HyperploidyIntermediate prognosis; can be considered goodb. OrganomegalyL. Node, liver, spleen enlargement, Testicular enlargement - poor prognosisc. TLC >50,000/mLPoor prognosis; TLC <10,000/mL has good prognosisd. Response to treatmentEarly response to treatment is a good prognostic factor for ALL