BCL2 and B-cell chronic lymphocytic leukemia: RT occurred simultaneously with CLL at diagnosis (n = 3) or after up to 19 years following different lines of treatment with CIT (n = 6) and targeted therapies (n = 10; BCR inhibitors, ibrutinib n = 6; duvelisib n = 2; idelalisib n = 1; and BCL2 inhibitor, venetoclax n = 1).