The inter-relationship between familial relative risks for different hematological malignancies. The color corresponds to the magnitude of the familial risk as indicated. White indicates a familial risk that crosses unity (nonsignificant). HL comprises nodular sclerosis HL and mixed cellularity HL. NHL comprises DLBCL, FL, LPL, MCL, small lymphocytic lymphoma, hairy cell leukemia, and the T-cell leukemias/lymphomas. Myeloid malignancies comprise PV, ET, myelofibrosis, MPN-NOS, MDS, CML, and AML. Myeloproliferative neoplasms comprise PV, ET, myelofibrosis, MPN-NOS. Hematological malignancies with no significant familial associations are not shown.