EVALUATION OF SENTINEL LYMPH NODE IMAGING AND BIOPSY USING TECHNETIUM-99M RADIOISOTOPE IN EARLY-STAGE BREAST CANCER PATIENTS AT K HOSPITAL. YHCĐ [Internet]. 2026 June 2 [cited 2026 Sept. 9];67(English Version No 1, 2026). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/5249