- As mentioned above, the aim is the inclusion of a total of 100 pts. With RC. After the 1-year inclusion period analyzed the scanning images. All the preoperative in vivo images is reviewed by dedicated radiologists, with a particular focus on lymph node detection. Morphological criterions as used in MRI is used to determine whether a lymph node is malignant or not (39), both in the preoperative MR and DECT scanning.