| Gene/Event | Cancer Type | Patient | Variant | Mutation Level |
|---|---|---|---|---|
| C9orf40 | Esophageal Squamous Cell Carcinoma | p124_ESCC015 | p.S140* | Trunk mutation |
| C9orf40 | Esophageal Squamous Cell Carcinoma | p139_EC1134 | p.V138G | Branch mutation |
| C9orf40 | Gastric Adenocarcinoma | p011_MSI-H2 | p.Q154Q | Trunk mutation |