Two recurrent types of IGH::5′ BCL2 breakpoints representing cytogenetic ins(14;18)(q32;q21q21) and t(14;18)(q32;q21), mediated by the VDJ and class switch recombination processes, respectively. - Maekawa, Fumiyo; Hayashida, Masahiko; Takeoka, Kayo; Fukutsuka, Katsuhiro; Nakagawa, Miho; Akasaka, Takashi; Sakamoto, Shinichi; Sumiyoshi, Shinji; Kobashi, Yoichiro; Ohno, Hitoshi (Leukemia & Lymphoma, 2024)