Could i have colon cancer and have no symptoms and not be aware of it?

Yes, you could: One can be asymptomatic and diagnosed with colon cancer- after a colon mass was found accidentally during screening colonoscopy. Thus, it is very important to get a screening colonoscopy as per guidelines.

Yes: This is the main reason screening tests like colonoscopy, sigmoidoscopy and fecal occult blood test are used. Recommendations change as research dictates. Colon cancer is common enough in the US that screening tests are used in hopes of detecting in curable stage. Always controversial subject.

Definitely!: Absolutely. This is why it is so important for everyone to have a colonoscopy starting at age 50, or possibly earlier if there is a strong family history of colon cancer. Your primary doctor will advise you when to start being screened for colon cancer depending on your risk factors. This is one disease where screening really saves lives, since there may be no early signs like pain or bleeding.

Yes: Most colon cancers do not have any signs or symptoms in early stages. That is why it is important to have a screening colonoscopy at 50 and repeat examinations, depending on the findings and family history.