van der Krogt J-A, Bempt MV, Ferreiro JF, Mentens N, Jacobs K, Pluys U, Doms K, Geerdens E, Uyttebroeck A, Pierre P, Michaux L, Devos T, Vandenberghe P, Tousseyn T, Cools J, Wlodarska I. Anaplastic lymphoma kinase-positive anaplastic large cell lymphoma with the variant RNF213-, ATIC- and TPM3-ALK fusions is characterized by copy number gain of the rearranged ALK gene. Haematologica 2017; 102(9):1605-1616; https://doi.org/10.3324/haematol.2016.146571.