A Retrospective Protocol Empowering Precision Research in Colorectal Cancer (ALFAOMEGA-RETRÒ)

This is a retrospective research study using existing medical records and stored tumor tissue from colorectal cancer patients to improve precision medicine — helping researchers understand how imaging and tumor biology can better guide treatment decisions. **You may be eligible if...** - You have been diagnosed with colorectal cancer (any stage), confirmed by biopsy - You were older than 18 at the time of diagnosis - Your imaging data (CT or MRI scans) and/or stored tumor tissue samples are available for research - Researchers have confirmed you cannot be reached for standard consent, in line with local regulations **You may NOT be eligible if...** - The required imaging data or tissue samples are not available - You do not meet the inclusion criteria Talk to your doctor to see if this trial is right for you.