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Construction and validation of the variant allele frequency (VAF)-related prediction model. A Differential mutate genes between durable clinical benefit (DCB) group and no durable benefit (NDB) group. Chi-square test; A p-value < 0.05 was considered statistically significant. B Receiver operating characteristic (ROC) curve of the VAF-related stratification model in the Training, Test 1, and Test 2 cohorts
