Figure 2From: Pepsinogen I and II expressions in situ and their correlations with serum pesignogen levels in gastric cancer and its precancerous disease Negative expression of PGI in all antral glands in different gastric tissues (immunohistochemical staining × 200). (A) NOR mucosa; (B) GS mucosa; (C) GA mucosa; (D) GC mucosa.Back to article page