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. 2023;57(2):220-228. Accessed September 23, 2026. https://www.radioloncol.com/index.php/ro/article/view/4055