Study on intraoperative localization of sentinel lymph nodes using freehand SPECT in breast cancer patients - Maria-Ioanna Argentou; Evangelos Iliopoulos; Georgios-Ioannis Verras; Francesk Mulita; Levan Tchabashvili; Trifon Spyridonidis; Dimitrios Apostolopoulos (Videosurgery and Other Miniinvasive Techniques)