title: Preface.
authors.affiliation: Colorectal Center, The University of Texas M.D. Anderson Cancer Center, Department of Gastrointestinal Medical Oncology, 1515 Holcombe Boulevard, Unit 426, Houston, TX 77030, USA. Electronic address: ceng@mdanderson.org.
authors.forename: Cathy
authors.initials: C
authors.lastname: Eng
mesh_terms: D001005:Anus Neoplasms / Q000175:diagnosis* / Q000453:epidemiology / Q000517:prevention & control*; D003131:Combined Modality Therapy; D006801:Humans; D011379:Prognosis