| Tumor type | Fraction with mismatch repair abnormalities | |
| Assessed by dMMR (Le, 2017)[1] | Assessed by MSI-H (Middha, 2017)[2] | |
| Biliary | 1 | 1.3 |
| Bladder | NR | 3.1 |
| Brain tumors | <1 | – |
| Breast | <1 | – |
| Cervical | <1 | – |
| Colorectal | 3 | 8.3 |
| Endometrial | 6 | 16.2 |
| Esophagus and esophagogastric junction | – | 2.5* |
| Gastric adenocarcinoma | 3 | 2.5* |
| Hepatocellular | – | – |
| Lung, non-small cell | <1 | <1 |
| Lung, small cell | 1 | 1.1 |
| Neuroendocrine tumors | 1 | 2.1¶ |
| Ovarian | <1 | – |
| Pancreatic | 1 | <1 |
| Prostate | 1 | 1.7 |
| Sarcoma, uterine | <1 | 2 |
| Skin, melanoma | NR | – |
| Skin, Merkel cell | NR | NR |
| Skin, nonmelanoma | NR | 3.1 |
| Small bowel | 1 | 15.6 |
| Soft tissue sarcoma, nonuterine | – | <1 |
| Thyroid carcinoma | 2 | <1 |
| Unknown primary | 1 | 2 |
