Across TCGA pan-cancer cohorts, STAT1 Mutation is linked to patient survival in 4 of 34 cancer types, making it a survival-associated STAT1 data layer compared with 27 for mass-spec protein and 6 for mass-spec protein.
The strongest signal is observed in head and neck squamous cell carcinoma (HNSC), where higher STAT1 Mutation is associated with worse overall survival. In most high-consensus cancer types, elevated STAT1 expression acts as an unfavorable survival marker.
HNSC, UCEC, and SARC are the cancer types where STAT1 Mutation most reproducibly stratifies survival.