But Hadžić, J. “Preoperative Intensity-Modulated Chemoradiotherapy With Simultaneous Integrated Boost in Rectal Cancer: Five-Year Follow-up Results of a Phase II Study”. Radiology and Oncology, vol. 55, no. 4, Dec. 2021, pp. 439-48, https://radioloncol.com/index.php/ro/article/view/3655.