IMMT and colorectal carcinoma: p87 is an inexpensive, cost-effective ELISA-based test, and envisaged follow-up would be down-to-top to minimize costs by allying the stool test with salivary peroxidase to increase specificity, and both could be sent in the mail on fecal occult blood cards, which has been shown to be acceptable and effective in large-scale [10] CRC screening trials.