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TABLE 2: 
Correlation between measurement methods and the standard manual segmentation estimate of tumor volume
Measurement MethodR2 Value (95% CI)
Mean diameter0.708(0.5572–0.814)
Maximal diameter0.732(0.592–0.830)
Perimeter0.764(0.637–0.851)
Elliptical area0.859(0.776–0.912)
Manually segmented area0.873(0.798–0.851)
Seeded volume0.949(0.917–0.970)
Bayesian partial volume0.994(0.989–0.996)