Antonini, Marcelo, Andre Mattar, Marcelo Madeira, Francisco Pimentel Cavalcante, Eduardo Camargo Millen, Felipe Zerwes, Fabricio Palermo Brenelli, and Antonio Luiz Frasson. 2026. “Prognostic Impact of Neoadjuvant Chemotherapyinduced Changes in Immunohistochemical Markers on Survival Outcomes in Breast Cancer: A Systematic Review and Meta-Analysis”. Mastology 35 (suppl.1). Rio de Janeiro. https://doi.org/10.29289/259453942025V35S1015.