Having had few close shaves myself with cancer & tumor dx's that on further testing has resolved its self.
But as left my lungs scared graumomed up Gut bacteria as been of interest to me EVER since i sterilized my guts via antibiotics.
Gut bacteria can dramatically amplify cancer immunotherapy tumor suppression .
Surly more research should be done as i believe something changes in our bodies making us more prone to cancers.
I believe our guts bowls play a bigger part in our cellular health wellbeing.