Objective:To explore the histogenesis,immunohistochemical and clinicopathologic characteristics of esophageal gastrointestinal stromal tumors(GIST).

• 目的:研究食管、胃、肠道间质瘤的临床病理、免疫组织化学特点,重新认识食管、胃、肠道间叶源性肿瘤的组成。