Case report: Solitary mass of the sciatic nerve confirmed as a primary extranodal manifestation of diffuse large B-cell lymphoma in a geriatric patient. - Becker H; Vogelsberg A; Feucht D; Estler A; Tafrali D; Schittenhelm J; Milla J; Kurz S; Fend F; Tatagiba M; Schuhmann MU; Hurth H (Frontiers in oncology, 2024)