IWG-MRT Myelofibrosis Symptom Response

**Semantic type:** Finding

**Definition:** A greater than or equal to 50 percent reduction in the myeloproliferative neoplasm symptom assessment form total symptom score (adapted from Revised Response Criteria for Myelofibrosis: International Working Group-Myeloproliferative Neoplasms Research and Treatment (IWG-MRT) and European LeukemiaNet (ELN) consensus report. BLOOD 22 AUGUST 2013 x VOLUME 122 NUMBER 8)