The germline MLH1 c.2054 C>T mutation disrupts DNA mismatch repair and is detectable by digital PCR. - Moldenhauer MR; Mahadevan A; Hom C; Nguyen ATM; Rangel V; Hasson S; Hsu NH; Ubbaonu C; Nathan D; Chandan VS; Shen KV; Damozonio EM; et al. (Cancer letters, 2026)