The lung microbiome may affect lung cancer pathogenesis and prognosis – Medical Xpress

Enrichment of the lungs with oral commensal microbes was associated with advanced stage disease, worse prognosis, and tumor progression in patients with lung cancer, according to results from a study published in Cancer Discovery, a journal of the American Association for Cancer Research.
“The lungs were long thought to be sterile, but we now know that oral commensalsmicrobes normally found in the mouthfrequently enter the lungs due to unconscious aspirations,” said Leopoldo Segal, MD, director…

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