SCGB2A2 and breast cancer: Analysis of matched tumor tissue expression from 33 breast subjects (23 HR+, 10 TNBC) collected at the time of draw also showed similar results: FABP7 was upregulated in the tumor tissue of patients with TNBC breast cancer, while SCGB2A2 was upregulated in tumor tissue from patients with HR+ breast cancer (Fig. 4b).