| AFAP | Attenuated Familial Adenomatous Polyposis |
| APC | Adenomatous Polyposis Coli |
| CRC | colorectal Cancer |
| FAP | Familial Adenomatous Polyposis |
| FGP | Fundic Gland Polyps |
| GC | Gastric Cancer |
| HP | Helicobacter Pylori |
| IHC | Immunohistochemistry |
| LS | Lynch Syndrome |
| MMR | Mismatch repair |
| MSI-H | High Microsatellite instability |
| PGA | Pyloric Gland Adenoma |
| PCR | Polymerase Chain Reaction |