IL1B and histiocytic sarcoma: Clusters with the highest upregulated levels were associated with various terms, including acute phase response, platelet activation/degranulation, innate immune response, neutrophil/macrophage/lymphocyte chemotaxis, neutrophil migration, positive IL-1 production regulation, positive cell adhesion regulation, and endoplasmic reticulum, and had a close relationship with the clinical characteristics of HS.