Colorectal Cancer

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Imaging Tests



Imaging tests used to help diagnose colorectal cancer include the following:

Chest x-ray (used to detect cancer that has metastasized [spread] to the lungs)
CT scan (computerized tomography) (used to detect metastasis to lymph nodes, liver, or lungs)
Double-contrast barium enema (used to detect tumors throughout the colon)
Flexible sigmoidoscopy (used to detect tumors in the sigmoid colon and the rectum)
Total colonoscopy (used to detect tumors throughout t...Read the full article