Tulyayeva, A. .; Aitmagambetova, M. .; Kereyeva, N.; Koishybaev, A. .; Akhmetova, S.; Ablakimova, N. . Prognostic and Therapeutic Implications of Ki-67, BCL-2, HER2, and PD-L1 in Signet Ring Cell Carcinoma: A Narrative Review. Acta Biomed 2026, 97 (3), 18427. https://doi.org/10.23750/abm.2026.18427.