At two gene loci, the lead SNPs are in LD with MS-associated SNPs in the European population: TERC (rs10936599 vs. rs10936602, D′ = 0.841) and RTEL1 (rs2297439 vs. rs6742, D′ = 0.492) [125,131,132]. The gene discussed is TERC; the disease is myeloid sarcoma.