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Survival analyses according to 15 factors and pairwise comparisons based on log-rank test in patients with chondrosarcoma less than 25 years old from 1973–2012. A. Year of diagnosis. B. Sex. C. Age. D. Race. E. CHSDA region. F. Rural or urban. G. Stage. H. Grade. I. Tumor size. J. Laterality. K. Tumor site. L. Surgery. M. Surgery type. N. Radiation. O. Treatment.
