What is CA of the colon?

What is CA of the colon?

The colon is the final part of the digestive tract. Colon cancer typically affects older adults, though it can happen at any age. It usually begins as small, noncancerous (benign) clumps of cells called polyps that form on the inside of the colon. Over time some of these polyps can become colon cancers.

How common is colon CA?

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 20,270 new cases of colon cancer. 45,230 new cases of rectal cancer.

What is CA transverse colon?

Carcinoma of the transverse colon accounts for 10% of all colorectal cancer. Diagnosis is often delayed and complicated forms (perforation, fistulization, obstruction) occur in 30-50% of cases. The progression of symptoms is often insidious and tumors may be voluminous by the time of diagnosis.

Is colon cancer a carcinoma?

Colorectal cancer or colorectal carcinoma is cancer of the colon and/or rectum. Your doctor may perform a colonoscopy, CT colonography (also known as virtual colonoscopy) or an air-contrast barium enema to help diagnose your condition.

What is the difference between a polyp and a tumor?

Colon cancer and polyps: Benign tumors of the large intestine are called polyps. Malignant tumors of the large intestine are called cancers. Benign polyps do not invade nearby tissue or spread to other parts of the body. Benign polyps can be easily removed during colonoscopy, and are not life threatening.

Do colon polyps cause pain?

Pain. A large colon polyp can partially obstruct your bowel, leading to crampy abdominal pain. Iron deficiency anemia. Bleeding from polyps can occur slowly over time, without visible blood in your stool.

Where are most cancerous colon polyps found?

Polyps are one of the most common colorectal conditions, occurring in 15 - 20 percent of the adult population. They can occur anywhere in the large intestine or rectum, but are more commonly found in the left colon, sigmoid colon, or rectum.

What does colon pain feel like?

For example, some may have general abdominal pain, while others may feel pain in a specific spot. People may also feel pain in the area of the rectum, just above the anus. This pain may feel sharp and stabbing or dull and achy.

What is neoplasm disease?

Neoplastic disease. A neoplasm is an abnormal growth of cells, also known as a tumor. Neoplastic diseases are conditions that cause tumor growth — both benign and malignant. Benign tumors are noncancerous growths. They usually grow slowly and can't spread to other tissues.

What is the most common type of colon cancer?

There are many types of colorectal cancer, the most common of which is adenocarcinoma. Other types include carcinoid tumors, gastrointestinal stromal tumors, colorectal lymphoma.

What are the early warning signs of colon cancer?

• Blood in the Stool. If you notice blood in the toilet bowl or on toilet paper after wiping,it could be an early sign of colon cancer,but this ...
• Bowel Changes. It’s completely normal to have occasional bowel troubles; everybody deals with a bout of diarrhea or constipation from time to time.
• Excessive Fatigue. ...
• Unexplained Anemia. ...

What does your stool look like if you have colon cancer?

• A warning sign for colon or rectal cancer is blood in the stool. Sometimes you may notice bright red spots, and other times it may not be visible to the naked eye. The severity of symptoms depends on the advancement and location of the disease. Stool could also appear very dark or black, signifying the presence of dried blood.