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Relative abundance of microbiome composition in seven levels (Domain, Phylum, Class, Order, Family, Genus, Species). (a) Relative abundance of microbiome composition among patients’ groups and control. (b) Relative abundance of microbiome composition among patients’ groups of different tumor locations (TL1: Cervical, TL2: Upper thoracic, TL3: Middle thoracic, TL4: Lower thoracic).
