原发性肺癌常伴纵隔淋巴结转移,肿大淋巴结压迫食管引起吞咽困难较为少见。易造成误诊。我们收治6例,受压食管上段1例、中下段5例;出现吞咽困难时间平均为18个月。患者吞咽困难就诊,经食管相、食管镜检查有的为阳性体征酷似食管原发肿瘤。有的为外压性改 Primary lung cancer is often accompanied by mediastinal lymph node metastasis. Swollen lymph nodes oppress the esophagus and cause difficulty in swallowing. Can easily cause misdiagnosis. We treated 6 patients, 1 patient in the upper esophagus and 5 patients in the middle and lower extremities; the average time for dysphagia was 18 months. Patients with dysphagia were treated with esophagoscopy and esophagoscopy. Some positive signs resembled primary esophageal tumors. Some are external pressure changes