Table 1.

 Comparison of angiogenic markers with clinical parameters

No (%)	MVD	VEGFR-2	CD133	All patients
No. of positive cases	29	30	43	63
Diagnosis
AC	11 (38%)	11 (37%)	19 (44%)	25 (40%)
SCC	17 (59%)	17 (57%)	22 (51%)	34 (54%)
Other	1 (3%)	2 (6%)	2 (4%)	4 (6%)
Stage
Stage 1	17 (59%)	20 (67%)	30 (70%)	42 (67%)
Stage 2	6 (21%)	4 (13%)	8 (19%)	13 (21%)
Stage 3	6 (21%)	4 (13%)	5 (11%)	8 (13%)
Died	9 (31%)	9 (40%)	14 (33%)	18 (29%)

AC, adenocarcinoma; MVD, microvessel density; SCC, squamous cell carcinoma; VEGFR-2 (KDR), vascular endothelial growth factor receptor 2.