PDCD1 and Miyoshi myopathy: In this study, we collected the published whole metagenome shotgun sequencing (MGS) gut microbiome data sets obtained from patients with MM undergoing anti–PD-1, –PD-L1, –CTLA-4, or combination immunotherapy (15–18) and performed a meta-analysis on the compositional and functional features of the microbiota between R versus NR across studies.