| Gene/Event | Cancer Type | Patient | Variant | Mutation Level |
|---|---|---|---|---|
| GPR21 | Esophageal Squamous Cell Carcinoma | p124_ESCC016 | p.A251A | Trunk mutation |
| GPR21 | Esophageal Squamous Cell Carcinoma | p124_ESCC019 | p.V83A | Private mutation |
| GPR21 | Gastric Carcinoma | p106_GC13 | p.F215S | Trunk mutation |