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Comparison of alpha and beta diversity (Principal Coordinates Analysis plot; PCoA plot) between CTCAE grading < 2 and CTCAE grading ≥ 2 in EGFR-WT cohort. A Shannon index in each sample B Shannon index between CTCAE grading < 2 and CTCAE grading ≥ 2. C. Beta diversity (PCoA plot). CTCAE: Common Terminology Criteria for Adverse Events; EGFR-WT: epidermal growth factor receptor wild-type; PCoA plot: Principal Coordinates Analysis plot
