The mean editing frequency was positively correlated with the percentage of TILs (Spearman’s correlation ρ = 0.3, p = 0.02), tumor size (ρ = 0.3, p = 0.01), and HER2 IHC staining (ρ = 0.3, p = 0.01; Figure S5; Tables S1 and S3). Here, ERBB2 is linked to neoplasm.