Objective To investigate the methods for making the lead of entity shelter in the normal radiotherapy and analyze the possible factors of permissible error. Methods We introduced the whole course in making and utilizing the lead of entity shelter for regulation field shape and inregulation field shape. Results Its acceptance rate was 98% for the lead of entity shelter in regulation field shape by counting 15 patients’ X ray,and the acceptance rate was 93% in inregulation field shape by series testing. Conclusions Making the lead of entity shelter improved the quality of radiotherapy and shortened the waiting time for patients.
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