“…Following treatment protocol was used: cytokine IL-2 was given for 5 d (s.c., day 1-5, 6 £ 10 6 IU/m 2 /day), followed by a combined application of IL-2 (s.c., day 8-12, 6 £ 10 6 IU/m 2 / day) with ch14.18/CHO (i.v., day 8-18, 10 mg/m 2 /day) and 13-cis-retinoic acid (p.o., day [22][23][24][25][26][27][28][29][30][31][32][33][34][35]. At initial diagnosis, 46 patients had stage 4, four stage 3, one stage 2 and two stage 1 disease.…”