SLC26A4 and nodular sclerosis classical Hodgkin lymphoma: Many previous genetic screening studies have shown that a large proportion of NSHL is caused by the mutations of a few genes, such as gap junction beta-2 protein (GJB2), solute carrier family 26 member 4 (SLC26A4), and mitochondrial DNA (mtDNA) 12SrRNA [4, 5].