“…Familial non‐Hodgkin's lymphoma (NHL) cases were collected from two sources: the published medical literature ( Camino, 1975; Greene & Miller, 1978; Shelley, 1980; Greene et al , 1982 ; Haim et al , 1982 ; Veltri et al , 1983 ; Kato et al , 1989 ; Lynch et al , 1992 ; Hayoz et al , 1993 ; Donadieu et al , 1996 ; James et al , 1998 ) from 1926 to the present; and our series of unpublished families with multigenerational NHL. Additional information on one of the published families was obtained by personal communication with the author ( James et al , 1998 ).…”