Table 1.

Characteristic of composition in lung cancer patients.

Differential taxa features	Sample numbers	Sample type	References
Genera:	60	fecal specimens	He Zhuang et al. (1)
Enterococcus↑
Actinobacteria↓
Bifidobacterium↓
Genera:	46	fecal specimens	Fang Liu et al. (24)
Bacteroides↑
Prevotella↑
Lachnospiraceae↓
Genera:	181	fecal specimens	Yajuan Zheng et al. (16)
Ruminococcus↑
Faecalibacteriu↓
Bifidobacterium↓
Veillonella↓
Genera:	82	fecal specimens	Wei-Quan Zhang et al. (52)
Bacteroides↑
Veillonella↑
Fusobacterium↑
Fecalibacterium↓

↑, Microbiota increases in cases compared to controls; ↓, Microbiota decrease in cases compared to controls.