RT Book, Section A1 Hong, Theodore S. A2 Chabner, Bruce A. A2 Longo, Dan L. SR Print(0) ID 1127649054 T1 Rectal Cancer T2 Harrison's Manual of Oncology, 2e YR 2016 FD 2016 PB McGraw-Hill Education PP New York, NY SN 9780071793254 LK hemonc.mhmedical.com/content.aspx?aid=1127649054 RD 2024/10/09 AB In 2013 there were approximately 143,000 Americans diagnosed with colon and rectal cancer. Approximately 2/3 will involve the colon and 1/3 the rectum. Epidemiological factors and pathogenesis are similar for rectal cancer as for colon cancer.