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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2012 Jan 21;83(5):1521–1527. doi: 10.1016/j.ijrobp.2011.10.022

Figure 2. MTV inter-user reproducibility.

Figure 2

Plots represent the results of two blinded observers who independently determined MTV of the primary tumor (left), and lymph nodes (right) on a subset of 30 randomly selected PET-CT scans. Clear diamonds represent individual patients, and the dashed gray line represents a perfect correlation. R2 represents the Pearson correlation coefficient. Abbreviations: MTV = metabolic tumor volume.