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Enquiry form
General enquiries:
+44 (0)207 935 4444
Book an appointment:
+44 (0)207 616 7693
Self-pay enquiry:
+44 (0)203 219 3315

At The London Clinic, we have a team of expert consultant colorectal surgeons who can perform different operations to remove colorectal tumours depending on where the tumour is situated.

What is colorectal surgery?

Colorectal surgery is the usual treatment for conditions affecting the colon (large intestine) or rectum and surrounding areas. These are usually caused by inflammatory bowel disease, diverticulitis and diverticular disease (digestive conditions affecting the colon).

Four of the most common operations are shown below. In some situations, an opening for the bowel is made in the abdomen to allow waste and faeces to exit the body and to avoid the operation site as it heals. Known as a stoma, this is temporary and is reversed in a minor operation two-three months later. If the whole of the rectum needs to be removed, a colostomy is permanent.

Sigmoid colectomy

In this operation, the lower portion of the large bowel known as the sigmoid colon is removed completely. The remaining end of the colon is then joined to the top of the rectum..

Anterior resection

The sigmoid colon and part of the rectum are removed, and then the remaining descending colon is joined to what remains of the rectum.

Hemicolectomy (left or right) 

In a right hemicolectomy, the right part of your colon including the transverse colon is removed, together with the ascending colon and caecum (large intestine) and the cut ends are joined.
In a left hemicolectomy the left part of your colon including part of the sigmoid colon, the descending colon and part of the transverse colon is removed and the cut ends are re-joined.

Abdominoperineal resection

For cancers in the lowest part of the rectum, this operation involves removal of the lower part of the sigmoid colon and a large section or the whole of the rectum. After this operation, the end of the remaining descending colon is brought out in the abdomen, forming a colostomy (a type of stoma which has an opening from the large bowe)l which is then permanent and cannot be reversed.

Making an enquiry

For more information about private colorectal surgery at The London Clinic please click here and complete the confidential  enquiry form or call +44 (0) 207 616 7693.

Click here to see the colorectal team

Main numbers

General enquiries: 020 7935 4444 Appointments: 020 7616 7693 Self-Pay: 020 3219 3315

Contact numbers for service departments

Other numbers

Concierge service: 020 3219 3323International office: 020 3219 3266Invoice and payment enquiries: 020 7616 7708Press office 020 7616 7676

Your call may be recorded for training and monitoring purposes.

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