New boundaries for lymphatic mapping-report of the Fifth International Sentinel Node Conference

The Fifth Biennial International Sentinel Node Society meeting was held in Rome from 1 to 4 November 2006. Compared with previous meetings, there was a shift in focus from aspects of the clinical technique of the procedure to aspects of basic science that indicate the biology of the disease. The authors report on conference presentations relating to melanoma, including discussion of results from the Multicentre Selective Lymphadenectomy Trial 1 in intermediate thickness primary melanoma.