食管癌的发病率及预后在两性中有明显的差异。作者统计大阪大学第二外科医院166例食管癌手术病例中,男性占132例,女性仅34例,男女之比为4:1;这些手术病例的5年生存率,在男性为16.8%,而在女性为41.1%,证实了上述发现。为了阐明性激素与 The incidence and prognosis of esophageal cancer are significantly different in both sexes. The authors counted 166 cases of esophageal cancer surgery performed by the Second Surgical Hospital of Osaka University. There were 132 males and 34 females. The ratio between males and females was 4:1. The 5-year survival rate of these surgical cases was 16.8% in males. 41.1% of women confirmed the above findings. In order to clarify sex hormones