Fig. 3

Nomogram for the multiple logistic regression prediction model. Nomogram for the probability of postoperative upstaging among preoperatively diagnosed DCIS. The value of each factor corresponds to “Points” vertically at the top scale. The “Points” for each factor are added together as “Total Points,” which vertically correspond to the “Probability of Upstaging” scale below. US, ultrasound; CNB, core needle biopsy; DCIS, ductal carcinoma in situ