00034 PROGNOSTIC UTILITY OF A GENE-EXPRESSION SIGNATURE IN UNTREATED NODE-NEGATIVE BREAST CANCER. (1st September 2005) - Schmidt, M.; Victor, A.; Gehrmann, M.; Glawatz, C.; Boehm, D.; Passuello, V; Steiner, E.; Follow, K.; Lehr, H. A.; Koelbl, H.