IQGAP3 and breast cancer: Additional studies confirm that combining IQGAP3 with BMP4 or FAM07A enhances discrimination of BC from hematuric conditions (Xu et al., 2019), yielding diagnostic sensitivity and specificity scores of 71.0% and 88.6%, respectively, along with positive and negative predictive values of 90.3% and 67.2% (Xu et al., 2019).