我们应用纤维食管镜诊断3例早期食管癌病人,而食管X线摄片及反复多次食管钡餐透视均未显示有病变,在采取放射治疗设野时,应用了纤维食管镜与X线相结合的定位方法。 一、病变范围的定位 在纤维内窥镜下3例早期食管癌中,1例表现为浅表糜烂,2例表现为粘膜表面粗糙、 We used fiberoptic esophagoscopy to diagnose 3 patients with early esophageal cancer. The esophageal radiographs and repeated esophageal barium meal examinations did not show lesions. When radiotherapy was used to set up the field, a fiberoptic esophagoscope combined with X-ray was used. The positioning method. First, the scope of lesions in fiberoptic endoscopy in 3 cases of early esophageal cancer, 1 case showed superficial erosion, 2 cases showed a rough mucosal surface,