Diverticulitis can cause irregular stools, alternating between diarrhea and constipation, along with unusually strong-smelling and/or bright red, maroon, or tarry stools. Diverticulitis is caused when ...

Serious causes of rectal pressure are less common and include diverticulitis, rectal prolapse ... It is between the last segment of the colon (the sigmoid colon) and the anal sphincter. 1. Anal ...

As people age, they develop small pouches that bulge outward in weak spots along the walls of the colon. These pouches are called diverticula. Diverticulitis occurs when one of these pouches ...

The efficacy of watch and wait strategy or surgery after neoadjuvant immunotherapy for locally advanced colorectal cancer with dMMR/MSI-H guided by ctDNA dynamic monitoring (WINDOW): A single-center, ...

“The rectum is different than the sigmoid colon,” she explains. “Each of these regions has a somewhat different biology and predilection to tumor formation.” Alexandrov and Sears agree ...

This colorized abdominal X-ray shows cancer of the ascending colon; the tumor appears as the oval shadow over the right pelvic bone (left on image). Colorectal cancer is often thought to ...

Prospective observational study of application of multi-target fecal FIT-DNA testing in postoperative follow-up for colorectal cancer patients. This is an ASCO Meeting Abstract from the 2025 ASCO ...

the descending colon and the sigmoid colon. Because it only involves the last few segments of your colon, a sigmoidoscopy doesn’t require as much preparation as a colonoscopy. “Unlike a ...