AGR2 and cancer: Based on previous studies, Fibro_FAP was classified as inflammatory cancer-associated fibroblast (iCAF)-like, Fibro_ACTA2 as myofibroblastic cancer-associated fibroblast (myCAF)-like, and Fibro_HLA-DRA and Fibro_AGR2 as antigen-presenting cancer-associated fibroblast (apCAF)-like (Fig. S6C) [37].