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Figure 1 Different patterns of vascular remodeling in intravascular ultrasound. (A) Shows an example of adaptive remodeling with the external elastic membrane at the lesion site being larger than that in the proximal reference segment. (B) Exhibits the physiological tapering from the proximal to the distal direction ("intermediate remodeling"). (C) Depicts a constrictively remodeled lesion, with a significantly smaller external elastic membrane at the lesion site than in the distal reference segment.
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