AIM: To investigate the expression of melanoma antigen A1 (MAGE-A1) and Ki-67 in esophageal cancer (EC) and their correlations with the clinical pathological features and survival time of EC patients.

• 目的:研究食管癌中肿瘤特异性抗原MAGE-A1；Ki-67的表达及其相关性；探讨他们与食管癌生物学行为及生存时间的关系.