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Figure 5 In the 18 lesions from the SURE Trial over the time course of the study (representing three intervals per lesion for a total of 54 observations), the change in lumen volume (from postintervention to 24 h, from 24 h to 1 month, and from 1 to 6 months) correlated with the change in EEM volume (r = 0.903, p < 0.0001), but not with the change in P+M volume (r = 0.246, p = 0.073).