121. Follow-up with MRI of rectal cancer after transanal endoscopic microsurgery: Detection of recurrence and inter-observer reproducibility. Issue 9 (September 2016) - Hupkens, B.; Maas, M.; Van der Sande, M.; Martens, M.; Deserno, W.; Leijtens, J.; Nelemans, P.; Beets, G.; Beets-Tan, R.