ALC

Absolute lymphocytic count

ALL

Acute lymphoblastic leukemia

BM

Bone marrow

CNS

Central nervous system

EFS

Event free survival

OS

Overall survival

WBC

White blood cell count

MRD

Minimal residual disease

SJCRH

St. Jude Children’s Research hospital

TLC

Total leucocyte count

RFS

Relapse free survival

RER

Rapid early response

SER

Slow early response

CR

Complete remission