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患者,男60岁,农民,进行性吞咽困难2个月。经在门诊行食道吞钡检查疑诊为“食道下段肿瘤”而收住院。病后体重减轻约10kg,余无任何不适。体检一般情况好,全身表浅淋巴结不大,心肺正常,腹软无包块。化验室检查无异常。食道造影照片示食道下段约于胸椎_(10～11)水平处见一约3.5cm×4.5cm之类圆形充盈缺损影,边缘尚光整,钡剂从两侧分流显示局部食道呈球形扩张。其余食道未见异常。X线诊
The patient, male 60 years old, farmer, had difficulty swallowing for 2 months. He was admitted to the hospital after he was diagnosed with “lower esophageal cancer” at the outpatient clinic for esophageal swallowing. After the illness, the weight loss was about 10kg, and there was no discomfort. Physical examination is generally good, the body superficial lymph nodes are not large, normal heart and lung, abdominal soft no mass. There is no abnormality in laboratory tests. The esophageal angiogram showed a round filling defect in the lower esophagus about thoracic vertebrae _(10～11) at a level of about 3.5cm×4.5cm. The edge was still smooth, and the effervescent agent showed shunting from both sides. The local esophagus showed a spherical dilation. . No abnormalities were found in the other esophagus. X-ray diagnosis