title: Prognostic failure of new working formulation in gastrointestinal non-Hodgkin's lymphomas.
mesh_terms: D005069:Evaluation Studies as Topic; D005770:Gastrointestinal Neoplasms / Q000145:classification / Q000473:pathology*; D006801:Humans; D008223:Lymphoma / Q000145:classification / Q000473:pathology*; D011379:Prognosis