NR4A1 and ductal breast carcinoma in situ: Among the 1,663 patients with DCIS in the final pathological results, 1,403 (84.4%) were hormone receptor-positive in either or both of the pre- or postoperative results, 243 (14.6%) were hormone receptor-negative in both pre- and postoperative pathologically results, and 17 (1.0%) had no data.