This study is designed to prospectively collect blood samples and clinical data from patients that have been newly diagnosed with colorectal cancer and scheduled for resection surgery but are pre cancer treatment, subjects who are NOT scheduled for surgery but have histological confirmation of CRC from the diagnostic colonoscopy and clinical staging (cTMN) is available and are pr e- treatment, and patients who are at average risk of colorectal cancer and who are scheduled for routine colonoscopy examinations.