Gut microbiome in lymphoma patients and healthy controls. (A) Principal coordinate analysis of unweighted UniFrac distances. (B) Differentially abundant taxa. Gut microbiome and lymphoma aggressiveness: Shannon diversity index between indolent NHL (MZL, FL) and aggressive lymphoma (DLBCL) (C); principal coordinate analysis of Jensen Shannon divergence (D); and differentially abundant OTUs (E).