Recurrent Atypical Chronic Myeloid Leukemia

**Semantic type:** Neoplastic Process

**Definition:** The reemergence of atypical chronic myeloid leukemia after a period of remission.

**Synonyms:** - Atypical chronic myeloid leukemia, BCR/ABL-negative, in relapse - Recurrent Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative - Recurrent Atypical Chronic Myeloid Leukemia, BCR::ABL1 Negative - Recurrent aCML