MRC1 and neoplasm: In addition, mannose modification enhanced the targeting specificity of CB‐M and CP2‐M to CD206, leading to a decrease in its elimination from the tumor (ke of CP2‐P: 1.15 h−1; ke of CB‐M and CP2‐M: 0.703 and 0.475 h−1) and prolonged resident time of T/B > 3 (Figure 5C).