The correlation between estrogen and progesterone receptors and some clinical and pathological features in human breast cancer.

The correlation between estrogen (ER) and progesterone (PgR) receptor status and some clinical and pathological features was evaluated in a series of 680 breast carcinomas. ER status was significantly related to age, menopause, histological grade and vascular invasion. No relationship was found with tumor size, lymph node involvement, histotype and multicentricity. PgR status was significantly related to vascular invasion only. Despite the relationship between ER and favorable pathological features, ER-positive patients did not show a longer disease-free interval after surgery when no systemic adjuvant therapy was administered. ER status is thus of little prognostic value.