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. Author manuscript; available in PMC: 2023 Apr 17.
Published in final edited form as: Trends Immunol. 2021 Feb;42(2):137–150. doi: 10.1016/j.it.2020.12.005

Figure 2. Tumor Microbiome at Gutdistal Sites.

Figure 2.

Gut-distal tumor types such as glioblastoma (1), breast (2), melanoma (3), pancreatic (4), ovarian (5), and bone (6) cancer provide a biological niche for specific bacterial growth [35–40]. These distinct human cancer-type-specific tumor microbiomes may provide a novel, powerful diagnostic marker for distinguishing between normal and cancerous tissue, as well as between specific cancer types via analysis of microbial signatures in the plasma (7) [38,39].