Welcome to What Is Your Tumor Model IQ? 1. Which model can be considered a "cold" tumor? B16F10 4T1 LL/2 All of the above 2. Tumor size at initiation of dosing has no impact on anti-tumor activity. True False 3. Which established tumor model responds strongest to anti-mPD-1 monotherapy? E0771 A20 ID8 GL-261 4. Which of the following models is NOT derived from C57Bl/6? CT26 Pan02 E0771 All of the above 5. Which tumor model is most refractory to focal radiation in vivo? CT26 E0771 GL-261 None of these models is strongly responsive to focal radiation.