Figure 1. (IMAGE)

Osaka University

Figure 1.

Caption

<b>Assessment of tumor regression according to LN regression grading (lymph nodes (LNs) stained with hematoxylin and eosin) </b> (A, B) Grade I: Viable tumor cells are observed in over 50% of the tumor bed area. (C, D) Grade II: Viable tumor cells are observed in 10%-50% of the tumor bed area. (E, F) Grade III: Viable tumor cells are observed in <10% of the tumor bed area. (G, H) Grade IV: No viable tumor cells observed in the tumor bed area. (I) Schematic representation of a formula used for calculating the total LN regression grade.

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Osaka University

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