CADM1 and adult T-cell leukemia/lymphoma: The NF-κB signaling pathway is thought to be involved in ATLL, and the overexpression of CADM1 in ATLL cells has been identified as a surface marker for human T-cell leukemia virus (HTLV-1) infection of T cells (Nakahata and Morishita, 2012; Nakahata et al., 2012; Pujari et al., 2015; Makiyama et al., 2019).