MONDO_0013296 (myeloid neoplasm associated with FGFR1 rearrangement) is hematologic neoplasms characterized by the rearrangement of the FGFR1 gene, resulting in translocations with an 8p11 breakpoint. Patients present with a myeloproliferative neoplasm, acute myeloid leukemia, lymphoblastic lymphoma/leukemia of T or B-cell lineage, or acute leukemia of mixed phenotype. Also known as: 8p11 myeloproliferative syndrome, 8p11 stem cell leukemia/lymphoma syndrome, 8p11 stem cell syndrome, chromosome 8p11 myeloproliferative syndrome, myeloid and lymphoid neoplasms associated with FGFR1 abnormalities, myeloid and lymphoid neoplasms with FGFR1 rearrangement, myeloid/lymphoid neoplasm associated with FGFR1 rearrangement, myeloid/lymphoid neoplasms with FGFR1 rearrangement.