445eP Travel and time toxicity of axillary sentinel lymph node marking at two certified university breast cancer centers in Schleswig-Holstein, Germany: An economic and ecologic assessment based on the INSEMA and SOUND study. - Tauber, N.; Banys- Paluchowski, M.; Schäffler, H.P.; Dannehl, D.; Elessawy, M.; Fick, F.; Gasthaus, C.; Grande-Nagel, I.; Hemptenmacher, F.; Hilmer, L.C.; kohls, F.; Krawczyk, N.; et al. (Annals of Oncology, 2025)