average wbc count for leukemiatypical wbc in leukemialeukemia wbc count rangeacute leukemia wbc countleukemia high wbclow wbc count leukemiachronic lymphocytic leukemia wbc countacute lymphocytic leukemia wbc countacute lymphoblastic leukemia wbc countwbc increase causeswbc count high causessymptoms of high wbc levels