Gut Microbiome Analysis. (A): Hierarchical clustering of species classified by MetaPhlAn2 by patient. (B): Shannon diversity by patient and day of collection. (C): Significant organisms determined by linear discriminant analysis effect size per survival outcomes (blue, progression‐free survival [PFS] >6 months; red, PFS <6 months).
Abbreviations: CR, complete response; LDA, linear discriminant analysis; PD, progressive disease; PR, partial response; SD, stable disease.