Thepercentages and intensity of positive immunological reaction of ID-1, IGF-1R, Ki-67,bcl-2 and P53 in ESCC were higher than that in normal tissues.

• ID-1和bcl-2的表达与ESCC的分化程度呈正相关,即癌细胞分化越高ID-1和bcl-2表达越强,而IGF-1R、Ki-67和P53的表达与ESCC的分化程度呈负相关。