Anal rectal carcinoma

Duration: 5min 25sec Views: 590 Submitted: 07.07.2020
Category: Korean
The rectum is the last several inches of the large intestine. Rectal cancer starts in the lining of the rectum rectal mucosa. Rectal cancer is cancer that begins in the rectum. It starts at the end of the final segment of your colon and ends when it reaches the short, narrow passage leading to the anus. Cancer inside the rectum rectal cancer and cancer inside the colon colon cancer are often referred to together as "colorectal cancer.

What is rectal cancer?

Rectal Cancer: Causes, Symptoms & Treatments | CTCA

Despite the existence of excellent screening and preventive strategies, colorectal carcinoma CRC remains a major public health problem in Western countries. CRC is the third most common type of cancer in both sexes after prostate and lung cancers in men and lung and breast cancers in women and the second most common cause of cancer death in the United States. Rectal cancer is defined as cancer arising below the peritoneal reflection, up to approximately 12—15 cm from the anal verge. Despite these daunting statistics, the incidence rates of CRC have been declining in both men and women since , likely reflecting early detection efforts with removal of precancerous polyps. Gender Overall the incidence of CRC and mortality rates are higher in men than in women; tumors of the colon are slightly more frequent in women than in men 1. In the United States, the median age at presentation is 72 years.

Rectal Cancer Treatment (PDQ®)–Patient Version

The rectum and the colon make up the large intestine, or large bowel. The rectum is the last six inches of the large bowel and connects the colon to the anus. The two cancers are grouped together because they share many characteristics and are treated similarly. Rectal cancer occurs when cells in the rectum mutate and grow out of control. The disease may also develop when growths, called polyps, on the inner wall of the rectum develop and become cancerous.
During a colonoscopy, the doctor inserts a colonoscope into your rectum to check for abnormalities in your entire colon. Rectal cancer can be found during a screening test for colorectal cancer. Or it may be suspected based on your symptoms.