Stereotactic Body Radiation Therapy
Stereotactic body radiation therapy (SBRT) offers a highly effective alternative for patients who are not candidates for surgery, are unable to tolerate anesthetic or are at high risk for complications owing to advanced age or other medical concerns.
Using state-of-the-art imaging and a combination of computerized 3-D treatment planning, we are able to delineate and target the tumour, allowing very high doses of radiation to be delivered very precisely over a few fractions. The result is a highly focused radiation treatment that delivers the same total dose in days instead of the weeks required with traditional radiotherapy.
Giving high doses over a short time means that the chance of cure is much higher, and the greater accuracy reduces the risk to normal structures. Thus, patients with poor lung function or at serious risk with surgery now have a curative option that poses little risk in the short run and potentially a lot of benefits.
SBRT also affords high rates of local control (80–90%) and is tolerated very well by patients with varying degrees of cardiopulmonary function.
Lung SBRT may be an option for patients whose primary disease is controlled but who have a limited number of lung metastases. In these patients, the control of lung metastases may provide prolonged disease-free survival.