CDKN2A and diffuse large B-cell lymphoma: When the tumors that occurred in each organ were depicted as a scatter plot with the frequencies of MYD88L265P, CDKN2A/B loss, TP53, and 18q21 gain as four axes, the breast DLBCL was located in a similar location to the PCNSL and PTL, and the DLBCL of the IC area was located far from other DLBCL NOS (Figure 2G).