Recurrent B Acute Lymphoblastic Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1

**Semantic type:** Neoplastic Process

**Definition:** The reemergence of B acute lymphoblastic leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1 after a period of remission.

**Synonyms:** - Recurrent B Acute Lymphoblastic Leukemia with t(9;22)(q34.1;q11.2); BCR::ABL1 - Relapsed B Acute Lymphoblastic Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1