In 2014, The Cancer Genome Atlas (TCGA) project discovered that there are four molecular subtypes of gastric cancer: Epstein-Barr virus subtype (EBV); microsatellite instability subtype (MSI); genomically stable subtype (GS); and chromosomal instability subtype (CIN). Lee said most patients with early-stage gastric cancer are treated with a surgical resection, followed by chemotherapy. “However, outcomes vary...