Colorectal Cancer Dataset in Xijing Hospital From 2011

This is a data registry study collecting detailed medical information from colorectal cancer patients treated at Xijing Hospital between 2013 and 2023. It is not a treatment trial — researchers are building a dataset to better understand colorectal cancer patterns and outcomes. **You may be eligible if...** - You have been diagnosed with colorectal adenocarcinoma (the most common type of colon/rectal cancer), including hereditary forms like Lynch syndrome or familial polyposis - You were diagnosed between 2013 and 2023 - You were treated at Xijing Hospital with complete medical and pathology records **You may NOT be eligible if...** - Your colorectal cancer is a non-adenocarcinoma type - Your cancer spread to the colon or rectum from a nearby or distant organ - You have a benign (non-cancerous) colorectal condition - Your cancer has returned after previous treatment Talk to your doctor to see if this trial is right for you.