Reply to: Methodologic Considerations for Subsequent Colorectal Cancer in Survivors of Childhood Cancer

Constance A Owens¹, Ethan B Ludmir¹, Qi Liu¹+25

• ¹Constance A. Owens, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Ethan B. Ludmir, MD, Department of Gastrointestinal Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston, TX, Qi Liu, PhD and Weiyu Qiu, PhD, Department of Public Health Sciences, University of Alberta, Edmonton, AB, Canada, Aashish C. Gupta, MS, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Susan A. Smith, MPH and Bastien Rigaud, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Kristy K. Brock, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Department of Imaging Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, James E. Bates, MD, Department of Radiation Oncology, Winship Cancer Institute, Emory University, Atlanta, GA, Taylor G. Meyers, MS, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, Arnold C. Paulino, MD, Department of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, Christine B. Peterson, PhD, Department of Statistics, Rice University, Houston, TX, Stephen F. Kry, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX,Jop C. Teepen, PhD, Princess Maxima Center for Pediatric Oncology, Utrecht, the Netherlands, Cecile M. Ronckers, PhD, Division of Childhood Cancer Epidemiology (EpiKiK), Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, Mainz, Germany, Joseph P. Neglia, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN, Wendy M. Leisenring, ScD, Clinical and Public Health Sciences Divisions, Fred Hutchinson Cancer Center, Seattle, WA, Kevin C. Oeffinger, MD, Department of Medicine, Duke University, Durham, NC, Paul C. Nathan, MD, Division of Hematology/Oncology, The Hospital for Sick Children, Toronto, ON, Canada, Lucie M. Turcotte, MD, Department of Pediatrics, University of Minnesota, Minneapolis, MN, David C. Hodgson, MD, Department of Radiation Oncology, University of Toronto, Toronto, ON, Canada, Melissa M. Hudson, MD, Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, Leslie L. Robison, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN, Chaya S. Moskowitz, PhD, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY, Gregory T. Armstrong, MD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN, Tara O. Henderson, MD, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, Yutaka Yasui, PhD, Department of Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN, Rebecca M. Howell, PhD, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX.