Radiofrequency ablation of the surgical bed after lumpectomy in breast-conserving surgery Carolina Jiménez Mazure; Marta Ribeiro González; Carmen Soto Aguilar; María Teresa Hidalgo Martín; Ana Josefa Jiménez Fernández; María Auxiliadora Ferrer González; Ysabel Pulido Roa; Julio Santoyo Santoyo;