2BA The interval between primary melanoma excision and sentinel node biopsy (SNB) does not affect survival; regardless of SNB status - an EORTC Melanoma Group study. (September 2015) - Oude Ophuis, C.; Verhoef, C.; Rutkowski, P.; Voit, C.; Cook, M.; Van Leeuwen, P.; Testori, A.; Hoekstra, H.; Grünhagen, D.; Eggermont, A.; Van Akkooi, A.