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Fig. 4A —Bland-Altman scatterplots show mean difference between MRI and histology for esophageal wall and tumor thickness. The mean difference for interpreter 1 (A) was 0.54 mm (2 SDs ± 8.37 mm); for interpreter 2 (B) was 0.86 mm (2 SDs ± 7.06 mm); and for interpreter 3 (C) was 1.01 mm (2 SDs ± 8.22 mm). Value for 2 SDs provides 95% CI in each case, which determines limits of agreement for scatterplots. Path = histology.