Who is a Candidate for Radiation Therapy for Colon Cancer?

 Cases where radiation therapy for colon cancer is an option.

radiation therapy for colon cancerRadiation therapy for colon cancer is not widely used to for colon cancer except for in certain cases. For example, if the cancer has spread to other organs radiation may be used to improve the chances of a surgeon removing the tumor. Postoperative radiation therapy is also used in some cases, where radiation is used after an operation to combat any cancer that may remain,

Radiation may also be used in instances where cancer has spread to other regions of the body, such as the lungs or the liver. It also may be used if a cancer has shown in the past that it is resistant to other common types of treatment, such as chemotherapy.

Murali G. Murty MD:  So, radiation therapy in colon cancer is used in a very few specific cases.

There are several candidates who can undergo radiation therapy for colon cancer.  Firstly, the candidates who have a colon cancer that grows out of the colon and it attaches or invades adjacent organs or another part of the colon itself, that’s the case radiation is offered in order to increase or improve resectability prior to surgery.

Also, if the surgeon has gone in and resected the tumor, postoperative radiotherapy is also offered in that case in order to control the disease from growing locally.  In cases of recurrent cancer where a patient may have already had radiation previously or the disease has shown that it can grow back and it’s resistant to previous treatments offered, radiation is also offered to help control the disease.

There are cases where a patient may have limited metastatic disease either in the lung or the liver or sometimes even elsewhere, but mostly in the lung or liver and in those cases that the patient cannot undergo surgery for health reasons or for other reasons, we can employ radiation treatment stereotactic body radiotherapy to help shrink those tumors.

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