Silva CS da, Braga RP, Santos N de OB dos, Saturnino BA. 28567 – THE STAGING OF BREAST CANCER IN PATIENTS AGED 40 TO 50 YEARS ATTENDED BETWEEN 2015 AND 2019 AT THE UNIVERSITY OF VALE DO ITAJAÍ AND A PRIVATE CLINIC IN THE SOUTHERN REGION OF THE COUNTRY. MAST [Internet]. 2026 Feb. 27 [cited 2026 Apr. 18];34(suppl.2). Available from: https://mastology.org/journal/article/view/1360