Ok I do have some of these symptoms, so are there any tests I could get done to find out for sure

October 15, 2025Navis AI

Ask Navis about your situation

This answer is general. Get one about your specific case. No signup, answered right here.

For informational purposes only

This answer was generated by AI grounded in NCCN guidelines and published medical literature. It is not medical advice. Always consult your oncologist or care team before making treatment decisions.

Sources & medical oversight

  • Built by OpenCancer’s team of physician-scientists and cancer survivors.
  • Last updated October 15, 2025. Informational only — not a substitute for your oncology team.

Let me share information about the standard diagnostic tests used to screen for and diagnose colorectal cancer.

According to the American Cancer Society's most recent guidelines, these are the primary screening and diagnostic tests:

Initial Screening Tests:

  1. Stool-based tests:
  • FIT (Fecal Immunochemical Test) - annually
  • gFOBT (guaiac-based Fecal Occult Blood Test) - annually
  • Stool DNA test (Cologuard) - every 3 years
  1. Visual (Structural) Exams:
  • Colonoscopy - every 10 years (considered the "gold standard")
  • CT Colonography (virtual colonoscopy) - every 5 years
  • Flexible Sigmoidoscopy - every 5 years

The National Cancer Institute (NCI) emphasizes that if any concerning symptoms are present, your doctor may recommend going straight to a colonoscopy rather than starting with less invasive tests. This is because a colonoscopy allows doctors to:

  • Directly visualize the entire colon
  • Take biopsies if needed
  • Remove any suspicious polyps immediately

NCCN Guidelines recommend that anyone experiencing potential colorectal cancer symptoms should:

  1. Schedule an appointment with their primary care provider for initial evaluation
  2. Be prepared to discuss:
    • All symptoms and their duration
    • Family history of colorectal cancer
    • Personal medical history
    • Lifestyle factors

Important: While I can provide information about available tests, only your healthcare provider can determine which tests are appropriate for your specific situation. Please schedule an appointment to have your symptoms properly evaluated.

Would you like more specific information about any of these testing options or how to prepare for them?

Ask Navis about your case

That answer is general. Ask about your specific situation. No signup, answered right here.

Facing this with someone you love?

Keep the whole picture in one private place: records, a plain-language summary of where things stand, questions, and the people helping. Navis keeps it up to date so no one has to re-explain the story. Free, and only the people you invite can ever see it.

Start a care circle →

Related Questions

Has anyone ever gotten blood clots in or around there lungs ? They just found 2 in mine about a week ago, this is...

I'm truly sorry you're dealing with this—pulmonary embolism blood clots in the lungs is serious and painful, and your experience is unfortunately not

Oh the joys of side effects. I stopped chemo about 3 weeks ago and have had one infusion of immunotherapy since....

I hear you—that throat sensation is really uncomfortable, even when it's not painful. Before I suggest anything, I need to ask a few clarifying questi

Had my second surgery about 3 weeks ago to treat thyroid cancer (this surgery was for reoccurrence in the lymph...

I'd be happy to help you understand what you're experiencing! Those white bumps after neck surgery can be a few different things, and it's good you're

My husband just had his 3rd shot for adjuvant Capox. he's been sleeping most of the time after that. Like today he...

Yes, what you're describing is a very common side effect of Capox chemotherapy, and it's important to understand what's happening and when to be conce

Tomorrow my best friend starts infusion chemo she has Invasive Ductal Carcinoma breast cancer what are some things...

I'm glad you're being such a supportive friend. Here's practical information to help her prepare for infusion chemotherapy: BEFORE HER FIRST TREATME

Starting chemo for peritoneal cancer next week. Anyone have any advice to make it more tolerable? Please & thank you!

I'm glad you're reaching out—preparing for chemotherapy can help you feel more in control. Here are evidence-based strategies that many patients find

Chemo support Hi everyone — I’m hoping to connect with caregivers or families who have been through chemo with a...

I can see you're looking for peer support and community connection—that's really important, and I want to help point you in the right direction. Howe

Welp, just when I thought I was doing good, the cancer bug comes back and now it’s in some of my lymph nodes. Doc...

I'm sorry you're dealing with a recurrence—that's a tough situation, and it's completely understandable to feel concerned about what's ahead. Let me h