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

**Semantic type:** Neoplastic Process

**Definition:** B acute lymphoblastic leukemia associated with t(9;22)(q34.1;q11.2); BCR-ABL1 and characterized by both lymphoblastic and differentiating myeloid cell proliferation.

**Synonyms:** - B Acute Lymphoblastic Leukemia with t(9;22)(q34.1;q11.2); BCR::ABL1 with Multilineage Involvement - B Lymphoid Blast Phase of Chronic Myeloid Leukemia, BCR-ABL1 Positive - B Lymphoid Blast Phase of Chronic Myeloid Leukemia, BCR::ABL1 Positive - B-ALL with t(9;22)(q34.1;q11.2); BCR-ABL1 with Multilineage Involvement - B-ALL with t(9;22)(q34.1;q11.2); BCR::ABL1 with Multilineage Involvement - B-Acute Lymphoblastic Leukemia with t(9;22)(q34.1;q11.2); BCR-ABL1 with Multilineage Involvement - B-Acute Lymphoblastic Leukemia with t(9;22)(q34.1;q11.2); BCR::ABL1 with Multilineage Involvement - B-Lymphoid Blast Phase of Chronic Myeloid Leukemia, BCR-ABL1 Positive - B-Lymphoid Blast Phase of Chronic Myeloid Leukemia, BCR::ABL1 Positive