Figure 2. Proliferation during the course of disease.

a. IB 1 of 20% at initial diagnosis. b. MIB 1 of 50% after 4 years of treatment. c. MIB 1 of 35% at the beginning of treatment with pembrolizumab.

a. IB 1 of 20% at initial diagnosis. b. MIB 1 of 50% after 4 years of treatment. c. MIB 1 of 35% at the beginning of treatment with pembrolizumab.