A 30-year-old female asked:
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does chemo radiation kills the remaining cancerous cells of a t4 colon cancer ? surgery has been done and also how to know if there are stillcancercel

2 doctor answers
Dr. Joseph Woods
27 years experience Pathology
It should.: Chemo and radiation are supposed to do what surgery may not be able to, and that is kill the remaining cancer cells/tissue in the body. Taking levels of CEA (carcinoembryonic antigen) can be used to check for recurrence of the cancer. Radiologic exam, blood count, colonoscopy every 1 to 3 years, and liver tests can also be used to check for recurrence.
Answered on Feb 13, 2015
Dr. Benjamin Kim
42 years experience General Surgery
Maybe: The hope and rationale for chemo radiation is to kill the remaining cells. The only proof of efficacy is with followup imaging and tumor marker studies (cea).
Answered on Feb 2, 2015
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