We have already completed three rounds of IROCA.
| Round | Years evaluated | Pathologies tumour site | Institutions |
| 1 | 2008 | Rectal | ICO Barcelona, Spain WCO Poznań, Poland |
| 2 | 2015 | Rectal and Prostate | ICO Barcelona, Spain WCO Poznań, Poland UPO Novara, Italy IPO Porto, Portugal |
| 3 | 2018-2019 | Rectal and Prostate | ICO Barcelona, Spain WCO Poznań, Poland UPO Novara, Italy IPO Porto, Portugal IOCN Cluj-Napoca, Romania ICM Montpellier, France |