The group looked at human colon cancers that had spread to the liver. The liver tumors were surgically removed and examined as long as two years after the patient’s initial colon cancer surgery. Colon tumors that did not originally have the bacteria did not have them after spreading to the liver. Not so fast, said Emma Allen-Vercoe of the University of Guelph, who is studying the bacterium’s role in colon cancer. “It is not unreasonable to say Fusobacterium is promoting or contributing to colon cancer,” he said.

Source: New York Times November 24, 2017 04:07 UTC