Where is the first place colon cancer spreads?
Treating stage IV colon cancer. Stage IV colon cancers have spread from the colon to distant organs and tissues. Colon cancer most often spreads to the liver, but it can also spread to other places like the lungs, brain, peritoneum (the lining of the abdominal cavity), or to distant lymph nodes.
Since it is hard to determine the exact nature of a polyp, polyps found during colonoscopy are removed and sent to the lab for a microscopic analysis. How long does it take a colon polyp to grow into a cancer? Current theories propose it will take about 10 years for a small adenoma to transform into a cancer.
Is colon cancer curable in stage 3?
Stage III adenocarcinoma of the colon is a common and curable cancer. The following is a general overview of treatment for Stage III colon cancer. Treatment may consist of surgery, chemotherapy, targeted therapy (drugs which act by a different mechanism than chemotherapy to target tumor cells) and/or radiation.
How does cancer start in the colon?
Although most colorectal polyps do not become cancer, virtually all colon and rectal cancers start from these growths. People may inherit diseases in which the risk of colon polyps and cancer is very high. Colorectal cancer may also develop from areas of abnormal cells in the lining of the colon or rectum.
What is the survival rate for colon cancer?
Stage I cancers have a survival rate of 80-95 percent. Stage II tumors have survival rates ranging from 55 to 80 percent. A stage III colon cancer has about a 40 percent chance of cure and a patient with a stage IV tumor has only a 10 percent chance of a cure.
Is Colon Cancer painful?
Abdominal pain: This is rare in colon cancer. One cause is tearing (perforation) of the bowel. Leaking of bowel contents into the pelvis can cause inflammation (peritonitis) and infection. Unexplained, persistent nausea or vomiting.
Is Colon Cancer fatal?
Colorectal cancer is curable when detected early. Ninety-one percent of patients with localized colorectal cancer (confined to the colon or rectum) are alive five years after diagnosis. But only 37 percent of all colorectal cancers are diagnosed at this stage.
When the disease -- at any stage -- causes symptoms, they may include:
- Blood (usually dark red or black) in the stool.
- Constipation and diarrhea.
- Long, thin, pencil-like stools.
- Fatigue and weakness.
- Abdominal pain or bloating.
- Unexplained weight loss.
Where does bowel cancer spread to first?
When this happens, it is very common to find secondary (metastatic) bowel cancer in the liver, but it can also affect the lungs in a smaller number of people. Other sites of spread are locally within the pelvis and abdomen (called peritoneal metastases), close to the original tumour in the bowel, and to the bones.
Stage II adenocarcinoma of the colon is a common and curable cancer. Depending on features of the cancer, 60-75% of patients are cured without evidence of cancer recurrence following treatment with surgery alone. In Stage IIA, the tumor has grown through the outermost layers of the colon but is confined to the colon.
Occult bleeding is detected via a fecal occult blood test (FOBT) in 26% of all cases. Abdominal pain is present in 20% of the cases. Partial large-bowel obstruction may cause colicky abdominal pain and bloating. Back pain is usually a late sign caused by a tumor invading or compressing nerve trunks.
How common is the colon cancer?
Excluding skin cancers, colorectal cancer is the third most common cancer diagnosed in both men and women in the United States. The American Cancer Society's estimates for the number of colorectal cancer cases in the United States for 2018 are: 97,220 new cases of colon cancer.
How do you detect colon cancer?
In addition to a physical examination, the following tests may be used to diagnose colorectal cancer.
- Colonoscopy. As described in Screening, a colonoscopy allows the doctor to look inside the entire rectum and colon while a patient is sedated.
- Molecular testing of the tumor.
- Blood tests.
What is Stage 5 colon cancer?
The cancer has spread through the blood and lymph nodes to other parts of the body, such as the lung, liver, abdominal wall, or ovary. Stage IV colon cancer is divided into stage IVA and stage IVB. Stage IVA: Cancer may have spread through the colon wall and may have spread to nearby organs or lymph nodes.
Is a Stage 4 cancer curable?
A cancer is said to be in stage 4 of cancer when it has spread far away from the origin into other organs of the body, this progression is also known as metastasis and unless a metastasis is singular—meaning that it has only spread in to one specific location—and it's still accessible, it usually means that the cancer
What are the treatment options for colon cancer?
Treatment usually involves surgical removal of the tumor fo llowed by adjuvant chemotherapy. A clinical trial may also an option. For patients with rectal cancer, radiation therapy may be used along with chemotherapy before or after surgery, along with adjuvant chemotherapy.
Is there a cure for metastatic colon cancer?
Cure is not possible for most patients with metastatic colorectal cancer, although some patients who have limited involvement of distant organs (particularly restricted to the liver and/or lung) can be cured with surgery. For others, chemotherapy is the most appropriate option.
Where stomach cancer can spread?
The first lymph nodes that cancer cells spread to are the "perigastric" nodes along the sides of the stomach itself. They can then spread to lymph nodes adjacent to the liver, spleen, pancreas, and aorta. Gastric cancers can also spread through the bloodstream.
What percentage of people diagnosed with colon cancer are over the age of 50?
Colon Cancer in Young People. The risk of colorectal cancer increases with age; 91% of cases are diagnosed in individuals 50 years of age and older. While rates of colon cancer have been declining among adults 50 years and older, incidence of colorectal cancer is increasing among adults under age 50.
Is colon cancer genetic?
The two most common inherited colorectal cancer syndromes are hereditary nonpolyposis colorectal cancer (HNPCC) and familial adenomatous polyposis (FAP). They can affect men and women, and the children of people who carry these genes have a 50% chance of inheriting the disease-causing gene.
Where do you get colon cancer?
Colon cancer and rectal cancer may occur together. This is called colorectal cancer. Rectal cancer originates in the rectum, which is the last several inches of the large intestine, closest to the anus.
Updated: 26th November 2019