What is rectosigmoid carcinoma?

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Is rectosigmoid cancer curable?

People with stage II and III rectal cancer will also receive radiation therapy with chemotherapy either before or after surgery. Stage IV is not often curable, but it is treatable, and the growth of the cancer and the symptoms of the disease can be managed.

What is the rectosigmoid?

The rectosigmoid is that portion of the large intestine in which the narrow sigmoid colon undergoes a gradual enlargement before joining the rectum. Its exact position is variable. By some it has been estimated to be about 2 inches (5 cm.) above the superior valve of Houston.

How is rectosigmoid cancer treated?

Most people with stage III rectal cancer will be treated with chemotherapy, radiation therapy, and surgery, although the order of these treatments might differ. Most often, chemo is given along with radiation therapy (called chemoradiation) first.

Can you live a long life with colon cancer?

The majority of patients diagnosed with colon cancer can be treated and will go on to live normal lives. The earlier we identify the lesion, the less likely the tumor will have spread to other parts of your body.

What’s the leading cause of colon cancer?

Lack of regular physical activity. A diet low in fruit and vegetables. A low-fiber and high-fat diet, or a diet high in processed meats. Overweight and obesity.

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What is the most aggressive type of colon cancer?

High-grade large cell and small cell neuroendocrine tumors are aggressive. These tumors tend to grow rapidly and invade other tissues. Carcinoid tumors of the colon are considered indolent. They tend to be slower growing and less invasive than large cell and small cell neuroendocrine tumors.

What happens if they find cancer during a colonoscopy?

Usually if a suspected colorectal cancer is found by any screening or diagnostic test, it is biopsied during a colonoscopy. In a biopsy, the doctor removes a small piece of tissue with a special instrument passed through the scope. Less often, part of the colon may need to be surgically removed to make the diagnosis.

Where is the rectosigmoid?

A tumor is classified as rectosigmoid when differentiation between rectum and sigmoid is not possible. In the sigmoid colon, approximately 12 to 15 cm from the dentate line, the tenia coli fuse to form the circumferential longitudinal muscle of the rectal wall.

How much of your colon can be removed?

The surgeon takes out the part of the colon with the cancer and a small segment of normal colon on either side. Usually, about one-fourth to one-third of the colon is removed, depending on the size and location of the cancer.