Of note, FAP is already being pursued as an immunotherapy target for various carcinomas, using approaches such as CAR‐T cells,14, 15, 17, 50, 51 immunotoxins,13, 52 radioimmunotherapy,53, 54 bispecific T‐cell engagers16 and nanoparticle‐based photoimmunotherapy.55 This evidence concerns the gene FAP and carcinoma.