Fig. 1From: An exploratory study for tuft cells in the breast and their relevance in triple-negative breast cancer: the possible relationship of SOX9POU2F3 expression of ductal carcinoma in situ (DCIS) components in POU2F3-positive breast cancers (a review of previously reported cases [13]). (a) Case 1, (b) Case 2. Both cases contain DCIS components. As with invasive lesions, the DCISs are positive for POU2F3 (a, b: immunohistochemistry)Back to article page