H2ax−/−p53−/−Rag2−/− thymic lymphomas harbor clonal translocations. (A) Shown is a spectral, DAPI, and karyotype image of a representative metaphase from H2ax−/−p53−/−Rag2−/− thymic lymphoma 696. (B) Shown are spectral images of the clonal translocations of H2ax−/−p53−/−Rag2−/− thymic lymphomas 308, 537, 600, 696, and 762.