| Gene/Event | Cancer Type | Patient | Variant | Mutation Level |
|---|---|---|---|---|
| HCST | Mixed Adenoneuroendocrine Carcinoma | p125_M9 | Chr19:36393529:T>C | Private mutation |
| HCST | Esophageal Squamous Cell Carcinoma | p139_EC1158 | - | Private mutation |
| HCST | Gastric Adenocarcinoma | p011_MSI-H2 | p.T21T | Trunk mutation |
| HCST | Gastric Adenocarcinoma | p011_MSI-H2 | p.S38S | Trunk mutation |