ALB and breast cancer: Then, the combination therapy of IR‐TAM@Alb nanoparticles and RT rather than RT alone or IR‐TAM@Alb itself most effectively enhanced the generation amounts of DNA damage, amplified T cell infiltration, and enhanced T cell killing function in both bladder cancers and breast cancers, which finally almost totally inhibited local and absopal tumor growth, as well as preventing tumor metastasis (Figures 4, 5, 6).