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| Exploration of Position Fixation Technique in Esophagus Cancer Radiotherapy |
| Ji’an Central People’s Hospital，Ji’an 343000，China |
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Abstract Objective：To explore the setup errors of two different position fixing in radiotherapy of esophagus
cancer.Method：50 cases of esophagus cancer patients with radiotherapy were randomly divided into two groups，group A
25 cases use a simple vacuum pad fixing technology，25 cases of group B use Head-neck-shoulder omentum droping
Combined with the foot "U" fixed method，The setup accuracy of marked method of two groups were compared.
Result：The differences on Three-dimensional setup errors were significantly（t=3.78，P<0.05）.Conclusion：The
positioning accuracy of Head-neck-shoulder omentum droping combined with the foot "U" fixed method in treatment of
esophagus cancer is significantly improved and recommended for clinical use.
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