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Flowchart of the study population. a Number of invasive breast cancers diagnosed in in our institution before, during and after the 2020 COVID-19 lockdown (3 × 36 = 108 working days). b Number of invasive breast cancers diagnosed in our institution between January 28 and July 3, 2019 (108 working days). DCIS, ductal carcinoma in situ; IDC, invasive ductal carcinoma
