Follicular Dendritic Cell Sarcoma, also known as dendritic cell sarcoma, follicular, is related to castleman disease and igg4-related disease, and has symptoms including fatigue, fever and night sweats. An important gene associated with Follicular Dendritic Cell Sarcoma is CR1 (Complement C3b/C4b Receptor 1 (Knops Blood Group)), and among its related pathways/superpathways are Innate Immune System and Class I MHC mediated antigen processing and presentation. The drugs Pembrolizumab and Immune Checkpoint Inhibitors have been mentioned in the context of this disorder. Affiliated tissues include spleen and lung, and related phenotype is immune system.