_:vb50941338 . _:vb50941338 "url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5829610/"^^ . _:vb50941338 . _:vb50941338 . _:vb50941338 "A lymph node cancer that has_material_basis_in abnormally proliferating cells derives_from epithelial cells."^^ . _:vb50941338 . _:vb50941338 "url:https://medlineplus.gov/ency/patientinstructions/000824.htm"^^ .