Survival analysis bewteen patients with invasive ductal and invasive lobular breast cancer

Introduction: Differences in overall survival (OS) and disease-free survival (DFS) between patients with invasive ductal (IDC) and invasive lobular breast cancer (ILC) are controversial. We conducted a retrospective survival analysis between patients with IDC and ILC. Patients and methods: The study population was selected from a database of 5689 female patients with invasive breast cancer. In order to focus on the impact of tumor histology, all metastatic patients and patients with adjuvant chemotherapy or anti-hormonal treatment were excluded. Only patients with pure invasive ductal and invasive lobular histol…