Interferon-alfa2a is a medication that helps boost the immune system. It belongs to a group of proteins called interferons that naturally occur in the body. In this trial, it is used in a low dose to prevent the weakening of the immune system that typically occurs during and after surgery. The medication works by helping to maintain the number and function of important immune cells, particularly different types of white blood cells that help fight diseases.

Colon Cancer – A disease that begins in the large intestine (colon), where healthy cells in the colon start to grow uncontrollably. It typically starts as small, benign clumps of cells called polyps that form on the inner lining of the colon. Over time, some of these polyps can develop into colon cancer. The disease usually develops slowly, which means it takes several years for a polyp to transform into cancer. As the condition progresses, cancer cells can grow through the layers of the colon wall and potentially spread to nearby structures or other parts of the body. The cancer can affect any part of the colon, which is the final part of the digestive tract before the rectum.