Immunoreactivity of the 14F7 Mab Raised against N-Glycolyl GM3 Ganglioside in Epithelial Malignant Tumors from Digestive System

Table 1

Immunorecognition of 14F7 Mab on normal digestive system tissues.

Normal tissues	No. cases	Intensity	Positive cells
Paraffin-embedded
Esophagus	ND	−	−
Stomach	3/8∗	+/++	1
Large intestine	0/9∗	−	0
Pancreas	0/4	−	0
Liver	0/4	−	0

ND: Not done, Intensity: − negative, + weak, ++ moderate, Positive cells: 0 (negative to less than 5%), 1 (6–25%), ∗samples from the normal tissue located in peritumoral area.