Right & Left Lower Lobe:
Patient was treated in Feb of 2013 to the lower lobe of the left lung via SBRT to 48Gy in 4 fractions. Then in October of 2014, patient was treated to the lower lobe of the right lung to 48Gy in 4 fractions.

Picture
Left Lower Lobe_48Gy
Picture
Right Lower Lobe_48Gy
Picture
Composite Isodose Plan
Picture
Picture
Composite DVH
This is a helpful link for SBRT cases: http://amos3.aapm.org/abstracts/pdf/68-19774-234349-85603.pdf
As you see from the above plans, my goal is always to provide the physicians, where physically possible, with robust plans suitable for protocol entry.