however , the cea level in the gastric juice was significantly higher in patients with gastric cancer than in normal subjects or patients with benign gastric diseases : increased cea concentrations and outputs in the gastric juice were observed in 54.5 % and 40.1 % , respectively , of the patients with early gastric cancer , and in 52.9 % and 50.0 % , respectively , of the patients with advanced gastric cancer .
C0349530
early gastric cancer
C0038351
gastric