The role of imaging in initial staging of colon cancer, and in posttreatment restaging or surveillance, is most beneficial in identifying distant metastases in the chest, abdomen, and pelvis, regardless of primary T or N stage. Appendiceal cancers are classified separately and managed differently than colon cancer; however, initial staging and postoperative surveillance is also primarily focused on detection of distant metastatic disease, usually in the abdomen and pelvis.The American College of…