title: Sinus histiocytosis in non-diagnostic scalene lymph node biopsies.
mesh_terms: D001706:Biopsy; D006644:Histiocytes; D006652:Histological Techniques; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis; D008198:Lymph Nodes; D009369:Neoplasms / Q000175:diagnosis*; D011379:Prognosis