“…Autoimmune diseases (immunoglobulin G4-related disease, rheumatoid arthritis, systemic lupus erythematosus, adult-onset Still disease), neoplastic disorders (lymphoma, desmoid tumors, retroperitoneal sarcoma, paragangliomas, sarcomas, hemangiopericytoma, bronchial adenoma, neurofibroma, chest wall tumors, schwannoma), and infectious disorders (HIV, Epstein-Barr virus [EBV], cytomegalovirus, tuberculosis, toxoplasmosis) must be considered in the differential diagnosis [ 3 , 14 , 15 , 16 , 17 , 18 , 19 ].…”