Sentinell lymph node biopsy guided by iopamidol/CT lymphography inbreast cancer: initial experience at the University of São Paulo, medical school - Prado, L. C. B.; Costa, D. N.; Gebrim, Eloisa Maria Mello Santiago; Buchpiguel, Carlos Alberto; Barros, Nestor de; Pincerato, Katia Maciel; Petti, Domingos Auricchio; Baracat, Edmund Chada (FIGO world congress of gynecology and obstetrics, 2006)