2618270 EGIL European Group for the Immunological Characterization of Leukemias 34 2618275 EGIL European Group for the Classification of Acute Leukemia 2 2618276 EGIL Endoscopic gastrointestinal lavage 1 2618274 EGIL European Group for Immunophenotyping of Leukemias 1 2618271 EGIL European Group of Immunological Leukaemia 1 2618273 EGIL European Group of Immunological Markers for Leukemias 1 2618272 EGIL European Group of International Leukemia 1