Colon Cancer

What are the symptoms of colon cancer?

A Answers (9)

  • A , Gastroenterology, answered
    Dr. Lisa Ganjhu - What are the symptoms of colon cancer?
    The tricky thing about colon cancer is that doesn’t have a lot of obvious early-warning symptoms. Check out this video with gastroenterologist Dr. Lisa Ganjhu to learn the small and subtle cues you can clue into.
  • A Colorectal Surgery, answered on behalf of
    What Are the Signs and Symptoms of Colon Cancer?
    There are no specific signs and symptoms of colon cancer, says Joseph Thornton, MD, a colorectal surgeon at Sunrise Hospital. In this video, he says that blood in the stool can be a sign, but often it isn't visible. 
  • A Colorectal Surgery, answered on behalf of
    What Are the Symptoms of Colon Cancer?
    There are no early symptoms of colon cancer, says Stephanie Wishnev, MD, a colorectal surgeon at MountainView Hospital. In this video, she says bleeding and a change in bowel habits may come later, which is why screening is important. 
  • A , Surgical Oncology, answered
    Dr. Deborah Axelrod - What are the symptoms of colon cancer?
    Colon cancer is highly treatable when found early, so it's important to know the symptoms so you can get them checked right away. In this video, cancer specialist Deborah Axelrod, M.D., discusses the colon cancer symptoms you should never ignore.
  • A , Gastroenterology, answered
    Colorectal cancer is often present in people without symptoms, making prevention and screening for colorectal cancer very important. A polyp may be found and removed even before it becomes cancerous or presents with symptoms; once symptoms appear, a colonoscopy is performed to aid in diagnosis, rather than screen for disease.

    The following signs or symptoms, however, might indicate colorectal cancer:
    • blood in stools
    • narrower than normal stools
    • unexplained abdominal pain
    • unexplained change in bowel habits
    • unexplained anemia
    • unexplained weight loss
    These symptoms may be caused by other benign diseases such as hemorrhoids, inflammation in the colon or irritable bowel syndrome. The presence of these symptoms for more than a few days is an indication to talk with a gastrointestinal specialist about these symptoms and the patient’s family history.
  • A Internal Medicine, answered on behalf of
    The signs and symptoms of colon cancer include:
    • a change in bowel habits, such as diarrhea, constipation, or narrowing of the stool, that lasts for more than a few days
    • a feeling that you need to have a bowel movement that is not relieved by doing so
    • rectal bleeding
    • blood in the stool
    • cramping or abdominal (belly) pain
    • weakness and fatigue
    • unintended weight loss
    Most of the time, there are no symptoms, which makes primary, proactive screening so essential. People need to talk to their doctor if they experience these symptoms. Seeking medical treatment makes a huge difference in people's outcomes.
  • A Hematology & Oncology, answered on behalf of
    Blood in the stools or abdominal pain can be symptoms of colorectal cancer. Unfortunately, colorectal cancer in its early stages often has no symptoms. This is why screening is essential.
  • A answered
    Both benign colon polyps and malignant colon polyps may cause few or no symptoms. When colon cancer does cause symptoms, these symptoms may take the form of diarrhea, constipation, or narrowing of the stool as the tumor begins to interfere with bowel function. Typically, these symptoms would last for more than a few days. A tumor in the colon may also cause people to feel like they have to go, and the sensation is not relieved by a movement. Bleeding or blood in the stool and abdominal pain or cramping may also be signs of colon cancer.

    However, all of the previously mentioned symptoms can also be the result of far less dangerous health problems, such as hemorrhoids or irritable bowel syndrome, so having these symptoms does not mean that a person has colon cancer. In fact, these symptoms are more likely to be due to a condition other than colon cancer.
  • Colon cancer symptoms often center around the colon and digestive system. Rectal bleeding or bloody bowels for a few weeks are common. A person may also feel gassy or have painful cramps, and may feel like they cannot empty their bowel completely. They may also feel tired or weak and lose weight. In the early stages, colon cancer may present no symptoms.

This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.
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