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39

NCCN Guidelines for Patients

®

:

Colon Cancer, Version 1.2017

4

Nonmetastatic cancer

Stage I

Guide 5. Treatment for T2 tumors

Surgery status

What are the options?

The tumor can be treated with surgery

and isn’t blocking the gut

• Colectomy + lymphadenectomy

The tumor can be treated with surgery

and is blocking the gut

• Colectomy + lymphadenectomy

• Colectomy + lymphadenectomy + diversion

• Diversion followed by colectomy + lymphadenectomy

• In some cases, stent followed by colectomy + lymphadenectomy

Guide 6. Follow-up care

Type of care

How often is this care needed?

Colonoscopy

• At 1 year after treatment

◦◦ If no advanced adenoma, repeat in 3 years

▪ If results are normal, then repeat every 5 years

◦◦ If advanced adenoma, repeat in 1 year