Task: Answer Verification
Input (English): Question: Does absolute lymphocyte count with extreme hyperleukocytosis have a prognostic impact in chronic lymphocytic leukemia?
Answer: Although our results do not confirm that high initial levels of WBC are independently associated with shorter survival in CLL, the clinical course in these cases appears to be aggressive and conventional prognostic factors are not valid in this patient sub-group.
Output (English): no