4Rohatiner A, d'Amore F, Coiffier B, et al. Report on a workshop convened to discuss the pathological and staging classifications of gastrointestinal tract lymphoma. Ann Oncol,1994: 5:397.
6Morton JE. Leyland MJ, Hudson GV, et al. Primary gastrointestinal non - Hodgkin' s lymphoma: a review of 175 British national lymphoma investingation cases. Br J Cancer,1993: 67: 776.
7Hwang WS, Yao JCT, Cheng SS, et al. Primary colorectal lymphoma in Taiwan. Cancer, 1992:70:575.
8Chan JKC, Banks PM, Cleary ML, et al. A proposal for classification of lymphoid neoplasms (by the international lymphoma study group). Histopathology, 1994: 25 : 517.
