“Association between PIK3CA activating mutations and outcomes in early-stage invasive lobular breast carcinoma treated with adjuvant systemic therapy: PIK3CA activating mutations in invasive lobular breast carcinoma”, Radiol Oncol, vol. 57, no. 2, pp. 220–228, Jun. 2023, Accessed: Sep. 23, 2026. Available: https://www.radioloncol.com/index.php/ro/article/view/4055