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例1,男,70岁。进行性吞咽困难3月,钡餐检查见食管上段6cm狭窄段,食管拉网查见中分化鳞癌细胞。诊断为食管癌。体格检查未见异常。胸片及腹部B超正常。于1980年5月3日行~(60)Co体外常规分割照射,设前～后两野,总剂量72Gy。放疗后食管病变消失,能进普通饮食。5年后一次体检中发现右肺中叶有5×5cm肿块阴影,边缘光滑,穿刺查见鳞癌细胞。诊为食管癌肺转移。给子~(60)Co体外照射,总剂量40Gy。放疗后肿块缩小为2×2cm大小。再给予环磷酰胺、顺铂、长春新碱、平阳霉素化疗4周期,肿块
Example 1, male, 70 years old. Progressive dysphagia occurred in March, barium meal examination showed 6cm narrow segment of the esophagus, esophageal pull to check the differentially differentiated squamous cell carcinoma. Diagnosis of esophageal cancer. No physical examination was abnormal. Chest and abdomen B-normal. On May 3, 1980, ~(60)Co was routinely divided and irradiated in vitro. The front-to-rear two fields were set up, and the total dose was 72 Gy. Esophageal lesions disappear after radiotherapy and can be taken into the ordinary diet. In a physical examination after 5 years, a 5×5cm mass shadow was found in the middle lobe of the right lung, and the edge was smooth. The squamous cell carcinoma was seen by puncture. Diagnosis of esophageal cancer lung metastases. Subcutaneously irradiated 60Co, with a total dose of 40Gy. After radiotherapy, the tumor was reduced to a size of 2 x 2 cm. Give cyclophosphamide, cisplatin, vincristine, and pingyangmycin for 4 cycles of chemotherapy.