Details of FLCN mutation status and immunohistochemical status of mismatch repair proteins, in the MSI+ colorectal tumour DNA samples analysed, where information was available
| Tumour | Folliculin | MSI | Immunohistochemical analysis |
| 1 | No mutation | 4 of 4 (3/3BATs) | Loss of MLH1 |
| 2 | No mutation | 4 of 4 (3/3BATs) | NA |
| 3 | No mutation | 2 of 4 (1/3BATs) | No loss of MLH1/MSH2 |
| 4 | Mutation | 7 of 7 (3/3BATs) | Loss of MLH1 |
| 5 | No mutation | 6 of 6 (3/3BATs) | NA |
| 6 | No mutation | 2 of 7 (0/3BATs) | No loss of MLH1/MSH2/MSH6/PMS2 |
| 7 | No mutation | 3 of 7 (2/3BATs) | No loss of MLH1/MSH2/MSH6 |
| 8 | No mutation | 2 of 7 (0/3BATs) | No loss of MLH1/MSH2 |
| 9 | No mutation | 4 of 4 (0/0BATs) | Loss of MLH1 |
| 10 | Mutation | 4 of 5 (2/2BATs) | Loss of MLH1/PMS2 |
| 11 | No mutation | 3 of 6 (2/2BATs) | No loss of MLH1/MSH2 |
| 12 | No mutation | 2 of 7 (0/3BATs) | No loss of MLH1/MSH2 |
| 13 | No mutation | 3 of 7 (3/3BATs) | No loss of MLH1/MSH2 |
| 14 | Mutation | 7 of 7 (3/3BATs) | Loss of MSH2 |
| 15 | No mutation | 7 of 7 (3/3BATs) | Loss of MLH1 |
| 16 | No mutation | 3 of 7 (3/3BATs) | Loss of MLH1 |
| 17 | No mutation | 4 of 6 (3/3BATs) | NA |
| 18 | No mutation | 2 of 4 (1/3BATs) | No loss of MLH1/MSH2 |
| 19 | No mutation | 3 of 7 (0/3BATs) | No loss of MLH1/MSH2 |
| 20 | No mutation | 6 of 7 (3/3BATs) | Loss of MLH1 |
| 21 | No mutation | 7 of 7 (3/3BATs) | No loss of MLH/MSH2 |
| 22 | No mutation | 3 of 7 (3/3BATs) | No loss of MLH1/MSH2 |
| 23 | Mutation | 3 of 6 (0/3BATs) | NA |
| 24 | No mutation | 5 of 7 (1/3BATs) | Loss of MSH2 |
| 25 | Mutation | 5 of 7 (2/3BATs) | Loss of MLH1 |
| 26 | No mutation | 2 of 7 (2/3BATs) | No loss of MLH1/MSH2 |
| 27 | No mutation | 7 of 7 (3/3BATs) | Loss of MLH1/PMS2 |
| 28 | Mutation | Unknown | Loss of MLH1/PMS2 |
| 29 | Mutation | 7 of 7 (3/3BATs) | Loss of MLH1 |
| 30 | No mutation | 5 of 7 (3/3BATs) | Loss of MSH2 |