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Doctor insights on: Is Blood Work Normal With Colon Cancer

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Colicky/bloated pain ulq, can pinpoint it sometimes. Comes and goes. Loose stool x10 days, foul smelling. Some nausea. Abd xray, u/s normal. Blood work normal. Colon cancer? 25y f. No family history.

Colicky/bloated pain ulq, can pinpoint it sometimes. Comes and goes. Loose stool x10 days, foul smelling. Some nausea. Abd xray, u/s normal. Blood work normal. Colon cancer? 25y f. No family history.

Very unlikely: Although not impossible, colon cancer at 25 is very uncommon, in particular without family history. Colon cancer at 25 is almost always a genetic condition. Your symptoms are rather suggestive of bowel infection. ...Read more

Dr. Barry Rosen
4,344 Doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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What are the odds of a 18 year old with all normal blood work and no family history having colon cancer? Change in bm looser stool no other symptoms

What are the odds of a 18 year old with all normal blood work and no family history having colon cancer? Change in bm looser stool no other symptoms

Colon cancer RARE: 90% of colon cancer is in people 50 and up. The average age of a patient with colon cancer is 72. The odds of an adolescent having colon cancer is 0.31 in 1 000 000. You should discuss your many concerns about colon cancer with your doctor. A simple stool test may help reassure you. Good luck. ...Read more

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If colon cancer was present would something show up in routine blood work?

If colon cancer was present would something show up in routine blood work?

Depends: Some times colon cancer can cause anemia and abnormal liver functions but not sensitive and specific enough. Cea is used to moniter patients with a history of colon cancer but not to make a diagnosis. ...Read more

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My blood work shows high mpv and low ferritin what could This be? Can low ferritin be colon cancer? And high MPV I read can mean risk of stroke

Iron deficiency: Not to worry. At your age, unless it runs in the family, there is extremely low chance this is colon cancer. Likely what your tests say is that you just have a little iron deficiency. This is very common to see in young healthy females as a result of menstrual periods and not enough dietary iron intake. The elevated MPV is likely due to secondary effects of the iron deficiency. Keep your follow up ...Read more

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Black little dots in stool. Would colon cancer stools be thin one day then be normal the next? I did have blood in stools for two days only last week

Black little dots in stool. Would colon cancer stools be thin one day then be normal the next? I did have blood in stools for two days only last week

Not sure: I am assuming that you do not have a significant family history for colon cancer. Colon cancer can result in thin stools but I would think that they stay that way. Blood in the stool can indicate possible colon tumor (polyp) or cancer but it not very common for patients your age. I would reccomend that you see a dr. To find out the cause of your bleeding. Internal hemorrhiods could be a cause. ...Read more

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I had a blood test done at my doctor and everything was normal. He said this means I probably don't have Colon cancer. Could I still have colon cancer?

I had a blood test done at my doctor and everything was normal. He said this means I probably don't have Colon cancer. Could I still have colon cancer?

Yes: To rule in or out colon cancers, colonoscopy is mandatory. That said, given your age it is not likely that you have colon cancer. Your family history and your symptoms may help in deciding if you do need a colonoscopy. ...Read more

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19, male having diarrhea right after normal stool, watery, blood test fine, no blood or constipation, can it be colon cancer I'm scared!!!

19, male having diarrhea right after normal stool, watery, blood test fine, no blood or constipation, can it be colon cancer I'm scared!!!

Relax: Colon cancer doesn't behave this way and is very, very rare in 19 year olds. Diarrhea after a normal BM is not unusual and often depends on diet, anxiety, etc. If it persists, see your primary care provider for an evaluation. Thanks for trusting HealthTap! ...Read more

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I have been having thin stools on and off doctor ran cbc and everything was normal im very scared about colon cancer 18yr old male no blood or pain?

I have been having thin stools on and off doctor ran cbc and everything was normal im very scared about colon cancer 18yr old male no blood or pain?

Diarrhea: Colon cancers are not common at the age of 18. May be this is some infectious origin or issues with digestion. Some people even have lactose intolerance. What test did your doctor ran? If there is not infection or food poisoning, then look for the cause of diarrhea due to digestion problem. ...Read more

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Had red blood, black stool 3 weeks ago for 3 days. Had hemiglobin and occult test 2 days ago and all normal. This does mean I have no colon cancer?

Had red blood, black stool 3 weeks ago for 3 days. Had hemiglobin and occult test 2 days ago and all normal. This does mean I have no colon cancer?

GI consult, EGD: Limited data available as reported. Colon cancer is rare at such an young age. Bright red blood usually from lower GI tract, or hemorrhoids, fissure etc. However black stoll is concerning for upper GI bleed. Need a GI/Gastroenterology evaluation, EGD/upper endoscopy, H Pylori testing, Upper GI series etc. Contact PCP for GI referral. Go to a health tap doctor for a formal consult with more details ...Read more

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Chronic constipation for years while on levothyroxine 50mcg. 25 y/o f. Type #1 on bristol. Thyroid blood work says it's controlled. Diet stinks. Past 2 weeks diarrhea, no appetite. Colon cancer?

Chronic constipation for years while on levothyroxine 50mcg. 25 y/o f. Type #1 on bristol. Thyroid blood work says it's controlled. Diet stinks. Past 2 weeks diarrhea, no appetite. Colon cancer?

Unlikely: There are many reasons for constipation and for diarrhea. Typically colon cancer presents with bloody stools or no symptoms. It's also unlikely in young people which is why colonoscopy screenings are recommended after age 50, unless you have significant risk factors like family history or other certain medical problems. If you have diarrhea for >2 weeks, you should seek medical attention. ...Read more

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1 Morning stool test done.2-3 pus cells. SGOT 62, No blood. Blood test-mild eosinophilia. I have lipomas in my body. Sonography normal. Colon cancer, lipoma?

1 Morning stool test done.2-3 pus cells. SGOT 62, No blood. Blood test-mild eosinophilia. I have lipomas in my body. Sonography normal. Colon cancer, lipoma?

Sketchy information: Not a picture of colon cancer, also not the age, you need a Gastroenterologist to evaluate your condition better and do more comprehensive liver enzymes workup, goodluck ...Read more

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Persistent painless lower belly bloat/pressure, stool sticks to bowl, normal color, no blood., split stream urine for years. Symptoms not progressing. Colon cancer? No fam history.37 yrs old.

Persistent painless lower belly bloat/pressure, stool sticks to bowl, normal color, no blood., split stream urine for years. Symptoms not progressing. Colon cancer? No fam history.37 yrs old.

Get checked: The lower belly pain is non-specific adn could be from many other causes including gas, constipation, irritable bowel syndrome or several other conditions including celiac disease. Sometimes, people can have blood in their stool but can't see it. I suggest evaluation by a gastroenterologist and he/she will determine whether you need a colonoscopy or other evaluation. ...Read more

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What stage colon cancer has symptoms of blood in the ostomy pouch?

What stage colon cancer has symptoms of blood in the ostomy pouch?

None: Blood in an ostomy punch can be many things. Is it a colostomy or ileostomy? Why was the surgery done, history cancer or diverticulitis or colitis? How long ago was the ostomy surgery? Bleeding does indicate need for a doctor evaluation. Can be ostomy appliance irritation, colitis, etc. There is no cancer staging associated with intestinal bleeding. ...Read more

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I have colon cancer stage 4 and I just started throwning up blood. What is it?

I have colon cancer stage 4 and I just started throwning up blood. What is it?

Not sure: Depending on your treatment history and related health problems, this has a higher probability of being very serious. Please call your oncologist now or proceed to the ER (bring any advanced directives information with you). ...Read more

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I just moved my bowels and it was really hard coming out I saw a streak of blood. Worried its colon cancer?

I just moved my bowels and it was really hard coming out I saw a streak of blood. Worried its colon cancer?

Probably not cancer: Blood streaking on a hard bm is more likely related to the local trauma of passing stool. Blood mixed inside stool is much more concerning. I would recommend a bowel program using a high fiber diet and a diet supplement like Benifiber 3-4 times a week. When stools are no longer hard, if you still see blood, or if there is a family history of colon cancer then you should have a colonoscopy ...Read more

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My dad had colon cancer. I'm 21male. I had bright to Maroon colored blood when I wipe & some in toilet. It first happened 2months ago and has returned?

My dad had colon cancer. I'm 21male. I had bright to Maroon colored blood when I wipe & some in toilet. It first happened 2months ago and has returned?

Not Ca: The presence of colon cancer based for the most part on Weinbergs 3 hit theory where unless one has a congenital form of polyposis it takes three separate events over many years to induce cancer. Maroon stools suggest a bleeding problem which could be related to vascular malformation or internal hemorrhoid. Cancer as a cause at age 20 rare. If problem persists then colonoscopy indicated. ...Read more

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Colon cancer. Do you always have to have blood seen in your stools?

Colon cancer. Do you always have to have blood seen in your stools?

No: However, blood in stool should definitely be a flag. That is why colonoscopy is being recommenced as a screening tool....To find cancer before they cause obstruction or bleed enough to be detected. Screening criteria are always changing with the research. Your doctor will guide you. ...Read more

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Are occult blood tests for colon cancer reliable?

Are occult blood tests for colon cancer reliable?

Screening: It is a good start specially of yo had before and they were normal. ...Read more

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Are occult blood tests for colon cancer effective?

Are occult blood tests for colon cancer effective?

Guaiacs-: Are actually tests of thin films of stool to discern if there is hidden blood beneath visiblity, so-called "occult blood". It is a great screen, that if positive leads to a closer, less comfortable, more expensive test: colonoscopy. After 50, you get one per decade without occult blood in stool! ...Read more

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Could low white blood count be related to colon cancer?

Could low white blood count be related to colon cancer?

Unclear question!: Low white count has little to do with colon cancer but if the patient with colon cancer is being treated with chemotherapy, then this is not unusual as chemotherapy often lowers white cell counts. ...Read more

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What are the blood tests after being diagnosed with stage 1 colon cancer?

What are the blood tests after being diagnosed with stage 1 colon cancer?

Establishes baseline: You will almost certainly have normal liver functions, blood counts, and CEA at present, but these will be monitored into the future. Any change can be an early sign of cancer recurrence, so continue to get checkups! I have had many patients who neglected their cancer follow up and died as a result. ...Read more

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If I don't have a family history of colon cancer and I have bright red blood on bm, should I worry?

If I don't have a family history of colon cancer and I have bright red blood on bm, should I worry?

Yes: It is not likely to be cancer, but even a benign sounding disease like hemorrhoids, that can cause bright red blood in stool, could lead to iron deficiency anemia. See your doctor to determine the cause and get treatment. ...Read more

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After a blood transfussion do blood readings vary. Bilirubin yest was 12 now today 19! Blood transfussion given last night as hb was low. Colon cancer pt.

After a blood transfussion do blood readings vary. Bilirubin yest was 12 now today 19! Blood transfussion given last night as hb was low. Colon cancer pt.

Transfusions: Blood transfusions include more than just the red blood cells. Often breakdown products of damaged cells like bilirubin will be present and cause a jump like you have noted, especially if liver function is low. Bili can also jump when there is antibody-mediated destruction of red cells, so it might be wise to have the antibody screen done at cross-match repeated to look. ...Read more

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Which stage of colon cancer involves blood in the stool?

Which stage of colon cancer involves blood in the stool?

Bleeding is not: One of staging criteria for colon cancer. Blood in stool is a relatively advanced sign of colon cancer, as is pain. You need a colonoscopy for early diagnosis of colon cancer. ...Read more

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I have blood in my stools sometimes, does that mean I have colon cancer?

I have blood in my stools sometimes, does that mean I have colon cancer?

No, that is just one: Possiblity. Most likely is hemorroids, then infections, inflammatory bowel disease, diverticulosis, angiodysplasia. But you are right, the most deadly is cancer, so have it checked out. ...Read more

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Blood test for constipation from colon cancer?

No good test: There is no good blood test for either constipation or colon cancer. In late colon cancer CEA levels are usually elevated, but there are other causes of elevated cea. ...Read more

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Blood everytime I have bowel movement. Could this be colon cancer?

Blood everytime I have bowel movement. Could this be colon cancer?

It depends: If blood in the stool is red, it may be from a hemorrhoid. This needs to be evaluated and treated, but is fairly common.
If the blood or stool is darker (black) and has a 'tar-like' appearance, it is more indicative of a bleed in the upper areas of the GI tract. This is more significant and needs more prompt evaluation and treatment.
Seek evaluation by a qualified professional asap to differentiat. ...Read more

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Do white blood cell counts always go up with colon cancer?

Do white blood cell counts always go up with colon cancer?

Michael's Mission: Please check out www. Michaelsmission. Org it is a very informative website about colorectal cancer. ...Read more

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What to do if I have blood in my stools sometimes, does that nescesarily mean I have colon cancer?

What to do if I have blood in my stools sometimes, does that nescesarily mean I have colon cancer?

No: Most common cause of bleeding with stool is hemorrhoids. One cannot really tell the cause of bleeding by history alone and people with recurrent bleeding need to have colonoscopy to ensure they do not have any cancer. ...Read more

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I moved my bowels this morning it was hard and I saw a streak of blood. 41 no family history of colon cancer.

I moved my bowels this morning it was hard and I saw a streak of blood. 41 no family history of colon cancer.

Probably ok: This is probably just fine, but I would never make that assumption, and would say to see your primary care for a more complete evaluation. Be sure to ask about the appropriateness of a referral to GI for a colonoscopy. Hope this helps! ...Read more

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No history of colon cancer in fam. This morning my stool was hard coming out saw a drop of blood on stool. Should I worry?

No: One drop of blood in a hard and difficult to pass stool is normal - if it recurs, have it checked out. Increasing fiber in your diet and fluids may help. Try to have more fruits, vegetables, whole grains and legumes. They will make the stool softer, providing you have adequate fluids. Best of health to you ...Read more

Dr. Harinder Gill
13 Doctors shared insights

Colon (Definition)

The colon is another term for the large intestine. This is the final portion of the digestive system, responsible for absorbing water and storing stool before evacuation. It is divided into sections described as cecum; ascending, transverse, descending and ...Read more


Dr. Thomas Fiala
12 Doctors shared insights

Colonic (Definition)

This is a combining term referring to some condition, treatment or disease of the colon. Such as colonic enema, colonic ...Read more