Differences in radiation dosimetry and anorectal function testing imply that anorectal symptoms may arise from different anatomic substrates.
Robert Jan Smeenk, M.D.,* Wim P. M. Hopman, M.D., PH.D.,y Aswin L. Hoffmann, M.SC.,*
Emile N. J. TH. van Lin, M.D., PH.D.,* and Johannes H. A. M. Kaanders, M.D. PH.D*
Departments of *Radiation Oncology and Gastroenterology and Hepatology, Radboud University Nijmegen Medical Centre,
Nijmegen, The Netherlands
