Sentinel lymph node biopsy in microinvasive ductal carcinoma in situ may not be useful. Issue 2 (February 2019) - Magnoni, F.; Massari, G.; Bagnardi, V.; Pagan, E.; Peruzzotti, G.; Santomauro, G.; Galimberti, V.; Veronesi, P.; Sacchini, V.