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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Am J Surg Pathol. 2018 Nov;42(11):1480–1487. doi: 10.1097/PAS.0000000000001144

Table 4.

Residual Tumor Index (RTI) Across a Range of Tumor Bed Sizes and Residual Tumor % in Deciles

Residual Tumor % 0.5 cm 1.0 cm 2.0 cm 3.0 cm 4.0 cm 5.0 cm
0 0 0 0 0 0 0
10 0.05 0.1 0.2 0.3 0.4 0.5
20 0.1 0.2 0.4 0.6 0.8 1
30 0.15 0.3 0.6 0.9 1.2 1.5
40 0.2 0.4 0.8 1.2 1.6 2
50 0.25 0.5 1 1.5 2 2.5
60 0.3 0.6 1.2 1.8 2.4 3
70 0.35 0.7 1.4 2.1 2.8 3.5
80 0.4 0.8 1.6 2.4 3.2 4
90 0.45 0.9 1.8 2.7 3.6 4.5
100 0.5 1 2 3 4 5