The estrogen and progesterone receptors in cytosols(ERc,PgRc)and nuclei(ERn,PgRn)were measured in 30 specimens ofprimary esophageal squamous carcinoma and 16 normal esophageal tissues.

• 对30例原发食管鳞癌组织及16例正常食管组织中雌、孕激素受体在胞浆和胞核（ERc、ERn、PgRc、PgRn）中分布进行分析，结果显示：正常食管组织中ERc、ERn、PgRc和PgRn均未检出；