Stage 4 colon cancer is the most advanced cancer stage. In general, stage 4 colon cancer has spread to nearby lymph nodes and other parts of the body. Common destinations include the liver and the lungs.If everything was just diverted and not done permanently should he be able to choose the right colon cancer treatment, it can be reattached. Some doctors do it permanently therefore a surgery to reattached after the cancer is very difficult or nonexistent.