I’ve not had bleeding for years but still have inflammation and burning. Did a fecal sample last year and the calprotectin level was high, can’t tolerate a colonoscopy at present though waiting to speak with a gastroenterologist to discuss possible options

From the National Cancer Institute: FIT is one of the most widely used colorectal cancer screening tests worldwide. Experts generally recommend that people repeat this test every 1 to 2 years. People with a positive FIT test result are advised to have a colonoscopy to investigate the cause of the bleeding because a FIT test alone cannot diagnose cancer.May 5, 2022. I would hesitate to rely solely on the words from the manufacturer.

No doubt though that the FIT test is an amazing screening tool, because many, many, many more people will be willing to do a FIT, rather than a colonoscopy, and it is also much less expensive for the health care system. Those with positive FIT tests can then move on to the more expensive and invasive colonoscopy test.

Yet there is still some doubt about the effectiveness of colonoscopy:

https://edition.cnn.com/2022/10/09/heal ... index.html