“…9 , 10 However, previous studies on these outcomes investigating the effects of IDSM have shown inconsistent results. [11][12][13] In this large-cohort retrospective study, we investigated the effect of IDSM implementation on operation time of breast conserving surgery for patients with clinical invasive cancer or ductal carcinoma in situ (DCIS). Additionally, the percentage of cavity shaving on positive margin and re-excision rates is explored .…”