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A 42-year-old member asked:

What are the primary symptoms of colon cancer?

4 doctor answers13 doctors weighed in
Dr. Barry Rosen
General Surgery 34 years experience
Fly Under Radar: Colon cancer rarely causes symptoms until it reaches a size large enough to obstruct the intestine (change in bowel habits) and/or cause anemia due to chronic bleeding (weakness, lethargy, sob) and/or perforate ("acute abdomen"). Colonoscopy offers people the best opportunity to find these cancers well before any symptoms develop, when the chance for cure is very high. Please get one (if 50 & up).
Dr. Sean O Donovan
Colon and Rectal Surgery 34 years experience
Blood, change BMs: Blood in stool is the most common sign, but also seen in many benign conditions. When seen with changes in bm's (narrow stools, less frequent, with tissue also seen), weight loss and abdominal pain, it is highly suspicious, although by no means definite. If any of these are happening to you, get checked!
Dr. Gurmukh Singh
Pathology 49 years experience
Please note early colon cancer is often asymptomatic and regular preventive strategy, including screening colonoscopy at age 50, or sooner depending on family history are important in preventing colon cancer.
Aug 11, 2012
Dr. Mark Hoepfner
General Surgery 39 years experience
None: Early colon cancer has no symptoms. Later cancer can bleed, cause weight loss & anemia, later can cause bowel obstruction if ignored or spread to other sites.
Dr. Ed Friedlander
Pathology 44 years experience
Dr. Hoepfner has once again give very good advice. What makes colon cancer so subtle is the absence of symptoms until late. Any doubt -- a routine colonoscopy is in order.
Aug 28, 2012
Dr. Christian Schultheis
Hematology and Oncology 24 years experience
Depends on location: If right sided may present with anemia (common). If large, some patients present with obstructive symptoms that require a bowel diversion. If metastatic can present with weight loss if extensive. One of the most common is detection of blood in the stool when a physician performs a rectal exam. Many variations of presentation. Hope this helps.

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Similar questions

A 38-year-old member asked:

What are the symptoms for colon cancer? What are the causes colon cancer?

1 doctor answer5 doctors weighed in
Dr. Sewa Legha
Medical Oncology 50 years experience
Rectal bleeding is c: Colon cancer can be entirely silent disease, producing little or no symptoms when early and localized to the bowel. So screening with colonoscopy in asymptomatic subjects is advised to look for polyps which are precursors of colon cancer. Rectal bleeding and abdominal pain can be symptoms of this cancer but they are often not early symptoms. The cause of colon cancer is not known.
A 46-year-old member asked:

What symptoms are common in colon cancer?

1 doctor answer2 doctors weighed in
Dr. Robert Uyeda
General Surgery 45 years experience
Some late symptoms: Are rectal bleeding or black stools (melena) depending on location of cancer, abdominal pain, distention, change in bowel habits. But these are late signs. To catch them early, you need fecal occult blood test or colonoscopy.
A 48-year-old member asked:

What are the signs/symptoms of colon cancer?

1 doctor answer2 doctors weighed in
Dr. Charles Sturgis
Pathology 29 years experience
Varies per person.: Signs and symptoms of colon cancer include: a change in bowel habits (including diarrhea or constipation or a change in the consistency of stool), rectal bleeding or blood in stool, persistent abdominal discomfort (like cramps, gas or pain), a feeling that bowels do not empty completely, weakness / fatigue, and unexplained weight loss. Many people with early colon cancer experience no symptoms.
Dr. Carlos Encarnacion
Medical Oncology 35 years experience
Very true, thus the importance of getting screening colonoscopies at the proper interval.
Jun 23, 2013
A 42-year-old member asked:

What are the symptoms of hereditary colon cancer?

2 doctor answers7 doctors weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Similar to regular: Colon cancer. There are a number of different hereditary abnormalities that lead to colon cancer, but the resulting colon cancer is often silent in early stages. The usual symptoms are intestinal obstruction, anemia, weight loss and symptoms due to spread to other organs.
CA
A 44-year-old member asked:

What are common symptoms of colon cancer?

3 doctor answers5 doctors weighed in
Dr. Vijay Laxmi Misra
Internal Medicine 22 years experience
Colon cancer: Common symptoms are constipation, blood in stool, change in bowel habits, changes in stool caliber.

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