(L) Average of tumor weights (harvested at same time) from mice treated (i.p.) with IgG1, lexatumumab, ROCK1i, lexatumumab + ROCK1i and anti-CD8+ lexatumumab + ROCK1i (n=4-6, 50μg Lexatumumab, 2mg/kg ROCK1i, 6 doses). ROCK1i indicates GSK269962A and was administered to animals via intra-tumor injections. Various treatments were started when tumors were ~100mm3 size. 