2p/2p15, 6p21.32, 6q23, 9p/9p24, B2M, CCGs, Classical Hodgkin lymphoma, EBV, EBV-, EBV- cHLs, Epstein-Barr virus-positive (EBV+) tumors, GNA13, HRS, HRS cells, JAK, MSI, NF-B, PD-, PD-1, PI3K, STAT, STAT6, TNFAIP3, XPO1, XPO1 mutations, activation-induced cytidine deaminase, apolipoprotein B mRNA, cHL, cHLs, cancer, cancer candidate genes, carcinogen, chromosome 9p/9p24, cytidine, cytosine- phosphate-guanines, flow cytometry, flow-sorted Hodgkin Reed-Sternberg cells, inflammatory/immune cell, major histocompatibility complex class I, malignant Hodgkin Reed-Sternberg (HRS) cells, nuclear factor B, primary mediastinal B-cell lymphomas, programmed cell death protein 1, tumors