Cancer
Understanding Your Diagnosis See All Digestive Diagnostic Procedures in Understanding Your Diagnosis Detailed information on the most common tests and procedures used to diagnosis digestive disorders ...more Colorectal Cancer: Diagnosis in Understanding Your Diagnosis Your healthcare provider might believe you have colorectal cancer based on the results of a routine screening test. Or you might have symptoms that could be caused by colorectal cancer. You will need certain exams and tests to be sure.