Elena Guerini-Rocco, Federica Bellerba, Alberto Concardi, Sergio Vincenzo Taormina, Giulio Cammarata, Caterina Fumagalli, Aliana Guerrieri-Gonzaga, Debora Macis, Eliza Del Fiol Manna, Emanuela Balladore, Maria Cannone, Paolo Veronesi, Nicola Fusco, Bernardo Bonanni, Giuseppe Viale, Massimo Barberis, Sara Gandini, Matteo Lazzeroni
BACKGROUND AND AIM: Ductal carcinoma in situ (DCIS) is a non-obligate precursor of invasive breast cancer with highly variable clinical behavior, but risk stratification is still challenging. We sought to identify immune-related gene expression signatures of pure DCIS associated with different risks of breast cancer recurrence. METHODS: A retrospective nested case-control study of 143 pure DCIS was performed including 70 women with subsequent ipsilateral breast event (IBE, in situ or invasive; cases) and 73 DCIS women with no IBE and matched for age, tumor size, treatment, hormone receptors/HER2 status, and follow-up time (controls)...
April 12, 2024: European Journal of Cancer