[Malignant duodenal neoplasms; presentation of two cases, one of which is extrapapillary primary lymphosarcoma with postoperative survival of five and one-half years; review].
D004379:Duodenal Neoplasms; D004386:Duodenum; D006801:Humans; D008223:Lymphoma; D008228:Lymphoma, Non-Hodgkin; D009369:Neoplasms
DUODENUM/neoplasms; LYMPHOSARCOMA
Neoplasias malignas del duodeno; presentación de dos casos, uno de ellos de linfosarcoma primitivo extrapapilar, operado, con supervivencia de cinco años y medio; revisión de conjunto.