Figure 1.

Spectrum of inflammatory cell reactions at the invasive margin (IM). The generalized inflammatory cell infiltrate at the margin was graded according to a 4‐point score. A score of 0 was given when there was no increase in inflammatory cells (a). A score of 1 was given when there was a mild and patchy increase in inflammatory cells (b). A score of 2 was given when inflammatory cells formed a band‐like infiltrate (c). A score of 3 was given when there was a very prominent inflammatory reaction that formed a cup‐like zone (d). Bar = 200 μm.