EGFR and colorectal cancer: In a subsequent study aimed at increasing the tumor‐targeting ability for epidermal growth factor receptor (EGFR)‐expressing colorectal cancer, a recombinant protein (anti‐EGFR‐iRGD), harboring the EGFR antibody and the iRGD peptide, was functionalized on the surface of gambogic acid‐loaded PLGA NPs coated with red blood cell membranes.94