“…The rationale of this procedure has been supported by the unexpected finding of abdominal involvement in a large proportion of patients resulting in a more extensive treatment (Aisenberg et al, 1971;Meeker et al, 1972;H0st et al, 1973;Rozman et al, 1973;Kaplan et al, 1973;Andersen & Videbaek, 1974;Smithers et al, 1974;B.N.L.I., 1975;Irving, 1975;Somers et al, 1976;Poulsen et al, 1977;Lee et al, 1978). Hitherto it has been accepted that early detection of advanced disease and the removal of involved spleens in HD should be beneficial to the course of the disease.…”