1997年12月我们对某中学在职教职工进行了健康检查。共体检142人，其中男83人，女59人。男：女=1．41:1。平均年龄34岁，最大60岁，最小20岁。检查项目包括内外科常规检查、胸部X片、心电图、乙肝二对半、肝功能、血糖、血脂、AFP、B超（肝、胆、胰、肾、脾）。142名教职工中， In December 1997, we conducted a health check on the teaching staff of a secondary school. A total of 142 people were examined, including 83 males and 59 females. Male: Female = 1.41:1. The average age is 34 years old, maximum 60 years old, minimum 20 years old. The examination items included routine internal and external examinations, chest X-rays, electrocardiogram, hepatitis B two to half, liver function, blood glucose, blood lipids, AFP, and B ultrasound (liver, gallbladder, pancreas, kidney, spleen). Among the 142 faculty and staff,