内镜诊断:食管早癌( M3 - SM1 ) 。病理诊断:食管高分化鳞状细胞癌,癌瘤侵至黏膜下层,侵犯深度约440 μ m ( SM2 ) ,未见脉管侵犯,水平及基底切缘干净[ Well Differented SCC , Type 0 - Ⅱ b , pT1 - SM2 , ly ( - ) , v ( - ) , pHM0 , pVM0 ] 。图2 - 54 A .白光:食管距门齿17 ~ 22cm ,近全周Ⅱ b型病变,表面粗糙、发红。B . HE ,中倍,食管高分化鳞状细胞癌,浸润黏膜下层约440 ......