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NCCN Guidelines for Patients



Colon Cancer, Version 1.2017

In Part 3, the main treatment types

for colon cancer are briefly described.

Knowing what a treatment is will help

you understand your treatment options

listed in Parts 4 through 6. There is more

than one treatment for colon cancer. Not

every person will receive every treatment

described in this chapter.


Some colon cancers grow beyond the polyp and into

the colon wall. In many of these cases, surgery is a

key part of treatment. Your surgery may consist of

more than one type. This section describes the types

of surgery used for colon cancer.

Your treatment team will tell you how to prepare for

and what to expect during surgery. You may need

to stop taking some medicines to reduce the risk of

severe bleeding. Eating less, changing to a liquid

diet, or using enemas or laxatives will empty your

colon for surgery. Right before surgery, you will be

given general anesthesia.


A colectomy is a surgery that removes the part of

the colon with cancer.

See Figure 9

. After the part

is removed, the two ends of the remaining colon are

often joined back together. They are either sewn or

stapled together.

Before surgery, the cancer site may be marked

with a tattoo. The tattoo allows your surgeon to find

the cancer site after the polyp has been removed.


Overview of cancer treatments


Figure 9


Many colon cancers are removed

with a surgery called colectomy.

This surgery removes the part

of the colon that has cancer.

Afterward, the two ends of the

remaining colon are sewn or

stapled back together.