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Primary malignant brain tumors are relatively uncommon, and their incidence and survival rates have seldom been reported.We identified all patients with malignant brain tumors in Taiwan between 1997 and 2012 using the National Health Insurance database. We estimated the stratified incidence of malignant brain tumors by age and sex. We estimated the median 1-, 2-, and 5-year survival, taking comorbidities...
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