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Time-intensity curve of patients in the non-recurrence group. A: Time-intensity curve of ROI in the tumor. The green curve was gentle, and indicated that the change in intensity was less obvious. The Peak was 28.3% and TP was 68.23 s; B: Time-intensity curve of ROI beyond the tumor. The green curve was gentle and similar to the ROI curve in the tumor. The Peak was 29.1% and TP was 62.26 s. ROI: Region of interest.
