Table 2.

Comparison of Patients According to CD20 Expression

	CD20 positive. n-48 patients	CD20negative .n-6 patients
Mean age	55.3	53.6
Gender
Males	29(60%)	5(83.3%)
Females	19(40%)	1(16.6)
RIPI	II/III	II/III
Initial regimen
R-CHOP	39(69.6%)	5(83.3%)
RCVP	7(13%)	1(16.7%)
REPOCH	2(3.7%)
Response to First line treatment
CR	26(48%)	2(33%)
Relapsed	24(50%)	2(33%)
Refractory	24(50%)	4(66.6%)
Salvage chemo
RDHAP/DHAP	8(33.3%)	3(50%)
ICE	5(21%)	1(16.6%)
Others	4(16.6%)	2(33.3%)
Site of relapse
Lymph nodes	11(46%)	0
GIT	4(14.6%)	2(100%)
Response to salvage Chemo
Complete response	12(50%)	2(33%)
Refractory	28(44.4%)	4(14.3%)
Median DFS(Months)	12	9
Median OS (Months)	17.5	13