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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Performance of dual-layer spectrum CT virtual monoenergetic images to assess early rectal adenocarcinoma T-stage: comparison with MR

Fig. 2

Objective image characteristics for VMI from 40 to 200 keV and PEI. The data for image noise (a), tumor SNR (b), tumor CNR (c), and tumor contrast (d) at VMI 40–200 keV and PEI in the arterial and venous phases are presented using box-and-whisker plots. Each box in the plot shows the upper and lower quartiles of the data, while the median value is displayed as a horizontal line

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