食管中段巨大息肉恶性变１例报告杨旭，杨华一，杨鹤彬国内近来报道食管息肉并非多见，而巨大息肉恶性变极为少见，我院内镜室所见一例报告如下。患者男，６２岁。因进食梗阻８＋月。经内镜检查发现食管中段距门齿３０ｃｍ处，一舌形扁圆柱状物，粘膜表面光滑，似白膜包裹... One case report of malignant polyps in the middle esophagus Yang Xu, Yang Huayi, Yang Hebin Recently, it has been reported that esophageal polyps are not common, and malignant polyps are extremely rare. One case reported in our endoscopy department is as follows. Male patient, 62 years old. Obstruction due to eating 8 months. Endoscopic examination found that the middle of the esophagus from the incisor 30cm, a tongue-shaped flat cylindrical object, the mucosal surface is smooth, like white film wrapped ...