Fig. 2From: Mutational landscape differences between young-onset and older-onset breast cancer patientsMutational signatures among (A) young-onset breast tumours (diagnosed at ≤40 years of age, n = 89) and (B) older-onset breast tumours (diagnosed at > 40 years of age, n = 949) as identified using the R package “SomaticSignatures” (using NMF to identify five signatures). NMF: Non-negative Matrix FactorizationBack to article page