The authors provide an excellent overview of the role of pelvic exenteration performed as a curative cancer operation or for palliation. They extend the customary definition of palliation, however, to include exenteration intended for cure when tumor is knowingly left behind or is discovered by pathologic review of the operative specimen. The added definitions are apparently based on observations indicating that these procedures can relieve or reduce symptoms related to the disease or its treatment in some patients, resulting in an improved "quality of life," and that some patients also enjoy an extended survival after exenteration
