The Proctowash is specifically designed to enable intra-operative elimination of exfoliated tumor cells from the rectum and distal colon. Studies show comprehensive irrigation of the area removes these cells and the Proctowash is a quick, sealed, easy-to-use kit for this purpose. The product is also very useful as an intra-operative prep of the rectum and distal colon and is ideal for use as part of a protocol to reduce the use of pre-op bowel prep.