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Figure 2 (A) Subsegmental analysis before procedure. Vessel segment (VS) was automatically divided into 5-mm subsegments by the CAAS II system. The original lesion is located at segment No. 5 preprocedure as the arrow indicates. (A') Computer defined analysis preprocedure. (B) Subsegmental analysis at postprocedure. Minimum lumen diameter is located at segment No. 6 (arrow). (B') Computer-defined analysis postprocedure. (C) Subsegmental analysis at follow-up. Minimum lumen diameter is located at segment No. 7 (arrow). (C') Computer-defined analysis at follow-up.
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