@inbook{1127649054, author={Theodore S. Hong}, editor={Chabner, Bruce A. and Longo, Dan L.}, title={Rectal Cancer}, booktitle={Harrison's Manual of Oncology, 2e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={hemonc.mhmedical.com/content.aspx?aid=1127649054} }