Fig. 4From: Correlation of distribution characteristics and dynamic changes of gut microbiota with the efficacy of immunotherapy in EGFR-mutated non-small cell lung cancerMetabolite distributions in patients with advanced EGFR + NSCLC. A Volcano plot showing differentially expressed metabolites between R and NR. B Heatmap of 35 annotated differentially expressed metabolites in R and NR at baseline. C Comparisons of L − citrulline, deoxycholic acid, glycerol, and quinolinic acid levels between R and NRBack to article page