Mothods 42 cases of esophageal carcinoma and 5 cases of distant mucosa (no cancer) were observed for Fos,Jun,Rb ,p16 and bal-2 protein antibody by immunohistochemical SABC method. The positive staining rates were compared statistically.

• 方法 应用免疫组织化学SABC 法，观察42 例食管癌组织和5 例切缘食管粘膜中Fos、Jun 、Rb、p16 和bc1 －2 蛋白的表达，并比较其阳性率。