“A Case Report of Extranodal Diffuse Large B-Cell Lymphoma Involving Upper Limb Soft Tissue in a Patient With Rheumatoid Arthritis on Immunosuppressive Therapy”. Geriatric Care 10 (March 25, 2024). Accessed July 18, 2026. https://www.pagepressjournals.org/gc/article/view/11541.