Objective:To explore the effect of human papilloma virus(HPV) infection on cause of esophageal cancer in Huaian area and explore significance of HPV detection on the prev ention and therapy.

• 目的:探讨人乳头状瘤病毒(HPV)感染在本地区食管癌病因学中的作用及HPV检测在食管癌防治中的意义。