[ISP-006] The Mutant p53 on Tumor Cells May Recruit Macrophages and Modulate Their Expression of IDO and PD-L1. Takafumi Nakamura (The Department of Obstetrics and Gynecology 1, Kawasaki Medical School, Kurashiki, Japan) Abstract password authentication.Password is required to view the abstract. Please enter a password to authenticate. Password Authentication