The prospective study, however, indicated a clear cut association between pseudomelanosis coli and colorectal tumours in man.

This seems to be the mechanism for c-myc activation in colorectal tumours.

In laboratory culture studies, quercetin increased the sensitivity of resistant colorectal tumors with microsatellite instability to the chemotherapy drug, 5-fluorouracil.

It was developed for the detection of colorectal tumors, but has never been marketed.

A similar correlation has been found in studies involving colorectal tumors.

The rate in benign colorectal tumours, however, has not been previously documented.

Other histologic types of colorectal cancer account for an estimated 2% to 5% of colorectal tumors.

A misspliced transcript variant including an intron has been observed in cells from colorectal and pancreatic tumors.

They are described best in colorectal tumors, and also have been found to be a mutational target in pancreatic cancer.

X-rays can be used to shrink colorectal tumors that may be causing blockages.