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Fig. 4 | Insights into Imaging

Fig. 4

From: MRI-detected extramural venous invasion of rectal cancer: Multimodality performance and implications at baseline imaging and after neoadjuvant therapy

Fig. 4

Adapted from Smith NJ, et al. Br J Surg 2008 [22]

Extramural venous invasion scoring system based on T2-weighted images. a No vessel exists adjacent to the primary tumor (score 0). b Normal diameter vessel adjacent to the primary tumor demonstrates no tumor signal intensity (score 1). c Slightly expanded vessel without abnormal signal intensity (score 2). d Expanded vessel including obvious tumor signal intensity (score 3). e Expanded vessel with irregular or nodular contour containing tumor signal intensity (score 4).

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