With the distal colon defined as the rectum plus the sigmoid colon, only 37.9 percent of the patients with advanced proximal neoplasia (64 of 169) had a distal adenoma.

The site of stricture formation is mainly in the sigmoid colon and rectum, and in particular in the rectosigmoid and distal sigmoid areas. The reason for this is not clear.

An 80-year-old woman with personal history of early-stage breast cancer, treated with lumpectomy and radiation 11 years ago, initially presented with lower gastrointestinal bleeding in June 2008.

According to a new study, the use of narrow band imaging (NBI) during colonoscopy is sufficiently accurate to allow distal hyperplastic (non-cancerous) polyps to be left in place without removal ...

Flexible sigmoidoscopy, a screening test for colorectal cancer that is less invasive and has fewer side effects than colonoscopy, is effective in reducing the rates of new cases and deaths due to ...

Colonoscopy revealed a large polypoid mass in the distal sigmoid colon, which proved to be adenocarcinoma on the biopsy specimens (Figure 2).

Some people have a sigmoid colon that’s a bit longer than usual, which is a normal variation in human anatomy, she adds. “I was always told I had a long colon,” Grenham recalls.

It revealed a complete obstruction of the distal sigmoid colon, a finding consistent with several diagnoses. Carcinoma is the most serious, ...

New Jersey mom of six Elaine Griffin recalls the four main symptoms that led to her being diagnosed with Stage 2b colon cancer last year. Colorectal cancer is on the rise among people under 50 ...