Alarm symptoms for gastric cancer (GC-ASs) are the symptoms or signs indicating the patients had gastric cancer. The GC-ASs present in 41.3%~86.7% of all patients with gastric cancer.

• 胃癌预警症状(Alarm Symptoms for gastric cancer；GC-ASs)是指那些预示病人患有胃癌的临床症状或体征；41.；3%25~86