2Koch P,del Valle F, Berdel WE, et al. Primary gastrointestinal non- Hodgkin's lymphoma:I. Anatomic and histologic distribution, clinical features,and survival data of 371 patients registered in the German Muhicenter Study GLT NHI 01/92 [ J ]. J Clin Oncol, 2001,19 (18) :3861 -3873.
3PsyxTi A, Papageorgiou S, Economopoulos T. Primay extranodal lym- phomas of stomach : clinical presentation, diagnostic pitfalls and man- agement [ J ]. Ann Oneol,2008,19 ( 12 ) : 1992 - 1999.
4Ferrucci PF,Zucca E. Primary gastric lymphoma pathogenesis and treatment:what has changed over the past 10 years? [J]. Br .J Haematol,2007,136(4) :521 -538.
5Paes FM, Kalkanis DG, Sideras PA, el al. FDG PET/CT of extranod- al involvement in non- Hodgkin lymphoma and Hodgkin disease[ J 1. Radiographics ,2010,30( 1 ) :269 - 291.
6Mikhaeel NG,Timothy AR, Hain SF, et al. Is FDG-PET for the as- sessment of residual masses on CT following treatment of lymphonms [J]. Ann Oncol,2000,11 Suppl 1:147 -lS0.
