Term Name:	B-lymphoblastic leukemia/lymphoma with iAMP21
Synonyms:	B-ALL with iAMP21, Intrachromosomal amplification of chromosome 21 (iAMP21)
Definition:	A B-lymphoblastic leukemia/lymphoma that is characterized by amplification of a portion of chromosome 21.
Ontology:	Human Disease [DOID:0080651]   ( DOID:0080651 )