Colorectal Cancer Diagnostics and monitoring CRC diagnostics and monitoring follows two pronged strategy Diagnostic tools such as Colonoscopy: Specific, Can Remove Polyps and Take Biopsies. Adverse: Can cause perforation, Can miss small adenomas Flexible sigmoidoscopy: Specific, Can Remove Polyps and Take Biopsies. Adverse: Reduced risk of perforation Double-contrast barium enema: […]