Sentinel Lymph Node Biopsy Following Previous Axillary Surgery in Recurrent Breast Cancer. Issue 2 (February 2020) - Savolt, Akos; Cserni, Gabor; Lazar, Gyorgy; Maraz, Robert; Kelemen, Peter; Kovacs, Eszter; Gyorffy, Balazs; Matrai, Zoltan