患者男性．76岁，因进行性下咽困难3月余入院。患者于3月前无明显诱因感到下咽梗噎，近月余加重，不能进固体食物，仅能进面条等半流食，伴有胸部胀闷不适．病后较前消瘦，无发烧、咳嗽、恶心、呕吐及黑便史。体检检查：体温36．5℃，脉搏76次／分，呼吸18次／分，血压12／6．8 Patient male. 76 years old, due to progressive dysphagia more than 3 months admitted to hospital. Patients with no obvious incentive before 3 months swallowed stems and stools, more than the past month I aggravate, can not enter the solid food, only into the pasta and other semi-liquid food, accompanied by chest discomfort. After the illness than the weight loss, no fever, cough, nausea, vomiting and melena history. Physical examination: body temperature 36.5 ℃, pulse 76 beats / min, breathing 18 beats / min, blood pressure 12 / 6.8