PFKP and ductal breast carcinoma in situ: PFKP: phosphofructokinase, platelet isoform; N: sample number; M: mean expression; t: Student’s t-test value; F: F-statistic from ANOVA; DCIS: ductal carcinoma in situ; LCIS: lobular carcinoma in situ; IDC: invasive ductal carcinoma; ILC: invasive lobular carcinoma; M0: no metastasis; M1: metastasis present.