<unk>  is an aggressive (fast-growing) type of non-Hodgkin lymphoma that is usually of the T-cell type. ALK negative<unk>  T-cells express CD30 but do not express the ALK<unk>  Lymphoma Kinase) chimeric protein.<unk>  lymphoma kinase positive large B-cell lymphoma (ALK+ LBCL) was first described in 1997 by Delsol. In 2008, the World Health Organization (WHO) added<unk>  lymphoma kinase (ALK) negative<unk>  and<unk>  lymphoma kinase positive large B-cell lymphoma as provisional entities in the peripheral T-cell lymphoma classification.<unk>  may be classified into several sub-types based on immunophenotype.
Anaplastic large cell lymphoma
Diffuse large B cell lymphoma
Mantle cell lymphoma
AIDS-related lymphoma
Nodal marginal zone lymphoma
Angioimmunoblastic T-cell lymphoma
Follicular lymphoma
T-cell lymphoma