Classification result
DEMO-EC-006
MMRd
Mismatch repair deficient. Intermediate prognosis. Predictive for checkpoint inhibitor benefit.
Classification path
1
POLE_EDM
Negative
2
MMRd
Positive
Secondary evidence
TMB
38.0
Concordant
TMB 38.0 mut/Mb concordant for MMRd (expected 10-100 mut/Mb).
CNA burden
0.1
Concordant
Fraction genome altered: 0.10 — concordant with MMRd (expected low-intermediate).
Signatures
Concordant Expected signatures: SBS6, SBS15, SBS21, SBS26. Present: SBS6, SBS15.Spectrum
N/A Insufficient SNVs for spectrum analysis (6 < 10).Clinical notes
- Biallelic MMR gene inactivation detected despite low MSI marker percentage.
- IHC confirmation strongly recommended.
Flags