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Spearmen nonparametric correlation curve between PSTA and PET scan (A) for tumor diameter, Spearman r = 0.9922 (corrected for ties, 99% confidence interval: 0.9885–0.9948); (B) for tumor volume, Spearman r = 0.9921 (corrected for ties, 99% confidence interval: 0.9882– 0.9947). Numbers of point = 107. n = 107 for PSTA and n = 115 for PET scan. PSTA = postsurgery tumor analysis, PET = positron emission tomography. Software generated figures.
