NR4A1 and breast cancer: Further, the median age of women in our study was 48 years and 55% were premenopausal or perimenopausal, representing a younger population, consistent with the country’s population pyramid.33 With a median tumor size of 2.5 cm, 62% node negativity, and 75% hormone receptor positivity, the cohort in our study reflects a favorable prognostic subgroup of patients with breast cancer with good long-term disease-related outcomes.