The ascending colon, transverse colon, descending colon, and sigmoid colon are the parts of the colon after the cecum. The colon ends at the rectum , where waste (stool) is stored until it leaves the body through the anus.

2024年2月14日 · Studies have shown that colorectal cancer is more common in the sigmoid colon, which is on the colon’s left side. Kanwal Raghav, M.D., shares what it means to have cancer on the left side and how the side on which colon …

6 天之前 · Invasive adenocarcinoma of the colon is the most common type of colon cancer. It starts in the glandular cells that line the inside of the colon. As the tumour grows, it can invade deeper layers of the colon wall and spread to other body parts.

2024年6月25日 · Adenocarcinoma cancers can affect several areas of your body, including your lungs, stomach, pancreas and colon. Treatment options include surgery, chemotherapy or radiation therapy. Survival rates vary depending on the location, stage and type of adenocarcinoma.

2024年12月19日 · Symptoms of colon cancer can include: A change in bowel habits, such as more frequent diarrhea or constipation. Rectal bleeding or blood in the stool. Ongoing discomfort in the belly area, such as cramps, gas or pain. A feeling that the bowel doesn't empty all the way during a bowel movement. Weakness or tiredness. Losing weight without trying.

The fourth section is called the sigmoid colon because of its “S” shape. The sigmoid colon joins the rectum, which then connects to the anus. The ascending and transverse sections together are called the proximal colon. The descending and sigmoid colon are called the distal colon.

2024年12月21日 · Sigmoid colon: Sigmoid colon cancers are treated with sigmoid colectomy. Low sigmoid or rectosigmoid lesions may require upper rectal third excision. High inferior mesenteric artery ligation or selective ligation of the superior hemorrhoidal or left colic artery after branching off may be performed based on the lesion’s characteristics and ...

As colon cancer grows and spreads beyond the inner lining of the colon (mucosa), it is called “invasive adenocarcinoma”. It then has the potential to spread to other places in the body.

2022年11月14日 · Colon cancer develops from certain polyps or growths in the inner lining of your colon. Healthcare providers have screening tests that detect precancerous polyps before they can become cancerous tumors. Colon cancer that’s not detected or treated may spread to …

2022年9月30日 · Among colon cancers, the most common sites are the sigmoid colon (55%), followed by the ascending colon (23.3%), transverse colon (8.5%), descending colon (8.1%), cecum (8.0%), and crossing site (2.1%) (4). This chapter provides an overview of various aspects of colorectal cancer (CRC).