Staging patients with non-Hodgkin's lymphoma.
D005770:Gastrointestinal Neoplasms / Q000473:pathology; D006801:Humans; D008223:Lymphoma / Q000175:diagnosis / Q000473:pathology*; D009364:Neoplasm Recurrence, Local; D009367:Neoplasm Staging; D011379:Prognosis